diff --git a/Doxyfile b/Doxyfile
index b8c499e..e530180 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,13 +48,13 @@ PROJECT_NAME = "HELIA"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v0.1.0
+PROJECT_NUMBER         = v0.1.1
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
 # quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF = "REXUS/BEXUS CubeSat payload flight software"
+PROJECT_BRIEF = "REXUS/BEXUS Experiment On Board Flight Software documentation"
 
 # With the PROJECT_LOGO tag one can specify a logo or an icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55
diff --git a/src/Master/HAL/esp32/eth_w5500.c b/src/Master/HAL/esp32/eth_w5500.c
index cda0e64..04cbc65 100644
--- a/src/Master/HAL/esp32/eth_w5500.c
+++ b/src/Master/HAL/esp32/eth_w5500.c
@@ -1,7 +1,8 @@
-/* W5500 Ethernet bring-up. This is a thin driver shim, same kind of thing
+/** @brief W5500 Ethernet thingymabob!
+ * This is a thin driver shim, same kind of thing
  * as can_bus_twai.c: it brings up a peripheral and reports link/IP state,
  * owns no task and no queue of its own. Lives in Master's HAL because only
- * Master has Ethernet - it isn't a reusable lib. */
+ * Master has Ethernet so it isn't reusable */
 #include "eth_w5500.h"
 
 #include <string.h>
diff --git a/src/Master/HAL/esp32/eth_w5500.h b/src/Master/HAL/esp32/eth_w5500.h
index 0b7e139..c03214e 100644
--- a/src/Master/HAL/esp32/eth_w5500.h
+++ b/src/Master/HAL/esp32/eth_w5500.h
@@ -5,14 +5,13 @@
 #include "esp_err.h"
 #include "freertos/FreeRTOS.h"
 
-/* Bring up SPI + W5500 + esp_netif and start the driver. Non-blocking:
- * link/IP arrive later via events. */
+/* Bring up SPI + W5500 + esp_netif and start the driver */
 esp_err_t ttc_eth_init(void);
 
-/* True once the cable is up AND the interface has an IP. */
+/* True once the cable is up AND the interface has an IP */
 bool ttc_eth_ready(void);
 
-/* Block until ready or timeout. Returns ttc_eth_ready(). */
+/* Block until ready or timeout. Returns ttc_eth_ready() */
 bool ttc_eth_wait_ready(TickType_t timeout);
 
 #endif
\ No newline at end of file
diff --git a/src/Master/HAL/esp32/pins.h b/src/Master/HAL/esp32/pins.h
index 5dc4cc9..c564931 100644
--- a/src/Master/HAL/esp32/pins.h
+++ b/src/Master/HAL/esp32/pins.h
@@ -1,4 +1,7 @@
-/** @file pins.h @brief Master board wiring. Only the ESP32 HAL includes this. */
+/** @file pins.h 
+ * @brief Master board wiring
+ * 
+ */
 #ifndef HELIA_MASTER_PINS_H
 #define HELIA_MASTER_PINS_H
 
diff --git a/src/Master/HAL/sim/hal_sim.c b/src/Master/HAL/sim/hal_sim.c
index c6ca6c6..33b2792 100644
--- a/src/Master/HAL/sim/hal_sim.c
+++ b/src/Master/HAL/sim/hal_sim.c
@@ -1,10 +1,9 @@
-/* Master HAL for running on a laptop. */
+/* Master HAL for running on ma laptop */
 #include "hal.h"
 #include <stdio.h>
 #include <stdlib.h>
 
 bool hal_init(void) {
-    /* The simulated CAN bus is added with the simulator step. */
     return true;
 }
 
diff --git a/src/Master/control.c b/src/Master/control.c
index 1f6170b..6dd5829 100644
--- a/src/Master/control.c
+++ b/src/Master/control.c
@@ -1,16 +1,13 @@
-/* Master control core: owns the flight-phase state machine (flight_phase.h
+/** @brief Master control core: owns the flight-phase state machine (flight_phase.h
  * does the actual FSM logic; this file just synchronises access to one
  * instance across cores and hooks it up to CAN + logging).
  *
  * Two callers touch the flight state from two different cores:
- *   - master_control_task (this file, core 1): periodic no-motion tick.
+ *   - master_control_task (this file, core 1): periodic no-motion tick
  *   - master_control_set_phase (called from ttc.c's uplink handler, core
- *     0): ground-commanded phase changes.
+ *     0): ground-commanded phase changes
  * Hence the mutex - see master_control_init()'s doc comment in control.h
  * for why it's created eagerly from app_main() rather than lazily here.
- *
- * Guarded by ESP_PLATFORM so this compiles to nothing on the host (same
- * as before) - flight_phase.c underneath it is what's host-testable.
  */
 #include "control.h"
 
@@ -34,10 +31,7 @@ static uint32_t now_ms(void) {
     return (uint32_t)pdTICKS_TO_MS(xTaskGetTickCount());
 }
 
-/* Tells every other node the phase changed - CAN_CMD_FLIGHT_PHASE, per the
- * SED's Broadcast CAN Message Dictionary (source BROADCAST, type 0x03).
- * Payload: 1 byte, the new master_phase_t value. Called with s_flight_mutex
- * already held so the logged phase name matches what was just applied. */
+/** @brief Tells every other node the phase changed */
 static void broadcast_phase(master_phase_t phase, master_flight_result_t result) {
     can_frame_t f = {
         .id = can_make_id(CAN_PRIO_IMPORTANT, CAN_SRC_BROADCAST, CAN_CMD_FLIGHT_PHASE),
diff --git a/src/Master/control.h b/src/Master/control.h
index 06e6923..d1de110 100644
--- a/src/Master/control.h
+++ b/src/Master/control.h
@@ -11,38 +11,20 @@ extern "C" {
  * @brief Create the flight-phase state and its mutex. MUST be called once
  *        from app_main(), before any task that might call
  *        master_control_set_phase()/master_control_get_phase() is
- *        created (i.e. before ttc_uplink_task) - this avoids a boot-time
- *        race where a ground command could arrive before the mutex
- *        exists. master_control_task() itself only ticks; it doesn't
- *        create state, so its own creation order relative to this
- *        doesn't matter, only relative to ttc_uplink_task's.
+ *        created (i.e. before ttc_uplink_task) other we will have a race condition
  */
 void master_control_init(void);
 
 /** @brief Control core task: periodically checks the DESCENDING -> LANDED
- *         no-motion timeout. Pinned to core 1 by setup.c. ESP32-only (see
- *         control.c); declared unconditionally here since only ESP32-only
- *         callers reference it. Requires master_control_init() to have
- *         run first. */
+ *         no-motion timeout */
 void master_control_task(void *arg);
 
 /**
- * @brief Thread-safe: apply a ground-commanded phase change. Called from
- *        ttc.c's uplink handler (core 0) when a CAN_CMD_FLIGHT_PHASE
- *        uplink command arrives - this is the flight manager's gate
- *        between ground commands and the rest of the system for that
- *        command. Broadcasts CAN_CMD_FLIGHT_PHASE to the bus and logs the
- *        result internally; the caller just needs the result to ACK
- *        ground correctly.
- *
- *        Safe to call even before master_control_task's first loop
- *        iteration, but NOT before it has been created (the mutex it uses
- *        is created at task start) - setup.c creates control before ttc's
- *        uplink task, so this is naturally satisfied.
+ * @brief Thread-safe: apply a ground-commanded phase chang
  */
 master_flight_result_t master_control_set_phase(master_phase_t next);
 
-/** @brief Thread-safe read of the current flight phase. */
+/** @brief Thread-safe read of the current flight phase */
 master_phase_t master_control_get_phase(void);
 
 #ifdef __cplusplus
diff --git a/src/Master/flight_phase.c b/src/Master/flight_phase.c
index d992917..cc9adbb 100644
--- a/src/Master/flight_phase.c
+++ b/src/Master/flight_phase.c
@@ -6,7 +6,7 @@ static const char *PHASE_NAMES[MASTER_PHASE_COUNT] = {
     [MASTER_PHASE_ASCENDING] = "ASCENDING",
     [MASTER_PHASE_FLOAT] = "FLOAT",
     [MASTER_PHASE_DESCENDING] = "DESCENDING",
-    [MASTER_PHASE_LANDED] = "LANDED",
+    [MASTER_PHASE_LANDED] = "LANDED", // This probably won't ever be sent over TT&C because radio connection will be lost
 };
 
 void master_flight_init(master_flight_t *f, uint32_t now_ms) {
diff --git a/src/Master/flight_phase.h b/src/Master/flight_phase.h
index 5b34dcb..ff6b5e8 100644
--- a/src/Master/flight_phase.h
+++ b/src/Master/flight_phase.h
@@ -53,9 +53,9 @@ typedef enum {
 } master_flight_result_t;
 
 /** @brief Auto-transition DESCENDING -> LANDED after this long with no
- *         motion noted via master_flight_note_motion(). Placeholder value
- *         (5 minutes) - nothing feeds real motion data yet (see ttc.h/.c
- *         and control.c), so tune this once it does. */
+ *         motion noted via master_flight_note_motion()
+ * Currently this is set to 5 minutes... It might be a little bit longer lmao (5 mins for testing) 
+ * */
 #define MASTER_LANDING_NO_MOTION_MS (5u * 60u * 1000u)
 
 typedef struct {
@@ -64,35 +64,21 @@ typedef struct {
     uint32_t last_motion_ms;   /**< now_ms() at last noted motion (or phase entry) */
 } master_flight_t;
 
-/** @brief Starts in MASTER_PHASE_TESTING. */
+/** @brief Starts in MASTER_PHASE_TESTING */
 void master_flight_init(master_flight_t *f, uint32_t now_ms);
 
 master_phase_t master_flight_phase(const master_flight_t *f);
 
-/** @brief Human-readable phase name for logging. Never NULL. */
+/** @brief Human-readable phase name for logging */
 const char *master_phase_name(master_phase_t p);
 
-/**
- * @brief Apply a ground-commanded (or otherwise externally requested)
- *        phase change. See the "override" note above for how out-of-order
- *        requests are handled.
- */
-master_flight_result_t master_flight_set_phase(master_flight_t *f, master_phase_t next, uint32_t now_ms);
 
-/**
- * @brief Call periodically (e.g. once per control-loop tick). Checks the
- *        DESCENDING -> LANDED no-motion timeout and applies it internally
- *        if due. No-op in any other phase.
- */
+master_flight_result_t master_flight_set_phase(master_flight_t *f, master_phase_t next, uint32_t now_ms);
 void master_flight_tick(master_flight_t *f, uint32_t now_ms);
 
 /**
- * @brief Call whenever motion is detected, to feed the no-motion timeout.
- *        TODO: nothing calls this yet - wire it to real Instrumentation
- *        CAN data (accel/altitude-rate) once that message exists. Until
- *        then DESCENDING always times out to LANDED
- *        MASTER_LANDING_NO_MOTION_MS after entry, regardless of actual
- *        motion.
+ * @brief Feeds the motion time out for landing detection.
+ * TODO: Nothing calls this, need to use CAN frames from instrumentation to update this (blocked)
  */
 void master_flight_note_motion(master_flight_t *f, uint32_t now_ms);
 
diff --git a/src/Master/setup.c b/src/Master/setup.c
index 0650f9b..9db6ed6 100644
--- a/src/Master/setup.c
+++ b/src/Master/setup.c
@@ -1,19 +1,10 @@
 /* Master boot and task loop.
  *
  * Two cores, matching EPS/Instrumentation's comms/control split:
- *   core 0 (comms_task + ttc_uplink_task): CAN bus and the TT&C link.
- *   core 1 (master_control_task): flight manager. Placeholder for now.
+ *   core 0 (comms_task + ttc_uplink_task): CAN bus and the TT&C link
+ *   core 1 (master_control_task): flight manager (will be extended in the future)
  *
- * TT&C is deliberately minimal right now - the goal is proving Master and
- * a ground script can talk at all, not the full flight design:
- *   - comms_task mirrors every CAN frame it sees down to ground over UDP -
- *     both what Master itself sends (its heartbeat, ACKs, etc, from
- *     master_comms_on_tick()/on_frame()) and every frame it receives from
- *     other nodes on the bus (rx, via can_bus_recv()). No separate task,
- *     no queue, no filtering - just a socket call next to the existing CAN
- *     send/recv, so ground sees the whole bus, not just Master's traffic.
- *   - ttc_uplink_task (in ttc.c) logs and ACKs whatever ground sends over
- *     TCP. Nothing is forwarded to CAN yet.
+ * TT&C is deliberately minimal right now, just enough to mirror CAN traffic down to ground for bench testing
  */
 #include <stdint.h>
 #include "freertos/FreeRTOS.h"
@@ -46,12 +37,12 @@ static void send_all(const can_frame_t *tx, size_t n) {
         if (!can_bus_send(&tx[i], TX_TIMEOUT_MS)) {
             ESP_LOGW(TAG, "send failed, id=0x%03lX", (unsigned long)tx[i].id);
         } else if (can_id_type(tx[i].id) != CAN_MSG_HEARTBEAT || can_id_source(tx[i].id) != CAN_SRC_MASTER) {
-            ESP_LOGI(TAG, "sent: %s", master_describe_frame(&tx[i], text, sizeof text)); /* don't log our own heartbeat */
+            ESP_LOGI(TAG, "sent: %s", master_describe_frame(&tx[i], text, sizeof text)); /* don't log our own heartbeat ;-; */
         }
     }
 }
 
-/* "EPS online" / "EPS LOST" whenever a node appears or goes silent */
+/* "EPS online" / "EPS LOST" whenever a node appears or goes silent (good for debugging restarting) */
 static void log_presence_changes(uint8_t before, uint8_t after) {
     for (unsigned i = 0; i < MASTER_NODE_SLOTS; i++) {
         uint8_t bit = (uint8_t)(1u << i);
@@ -63,11 +54,7 @@ static void log_presence_changes(uint8_t before, uint8_t after) {
     }
 }
 
-/* Packs and mirrors one CAN frame down to ground over UDP. No-ops quietly
- * if the socket isn't up or the link isn't ready yet - same "just drop it,
- * same as ground not being switched on" philosophy as before. Pulled out
- * to a helper because it's now called for every frame Master sees on the
- * bus, not just its own outgoing ones - see comms_task. */
+/* Packs and mirrors one CAN frame down to ground over UDP. This will fail silently for now (TODO) */
 static void downlink_frame(int sock, const struct sockaddr_in *ground, uint8_t *seq, const can_frame_t *f) {
     if (sock < 0 || !ttc_eth_ready())
         return;
@@ -85,33 +72,23 @@ static void comms_task(void *arg) {
     ESP_LOGI(TAG, "state %s, auto-unlock %s", fsm_state_name(comms.state), MASTER_AUTO_UNLOCK ? "ON" : "OFF");
 
     /* One UDP socket, opened once, used to mirror CAN traffic down to
-     * ground - both frames Master itself sends AND every frame it
-     * receives from other nodes, which is what gives ground full-bus
-     * visibility rather than just Master's own heartbeat. No retries
-     * beyond what sendto() does on its own - if the link is down the
-     * packet is just dropped, same as the ground station not being
-     * switched on. */
+     * ground */
     int dl_sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);
     struct sockaddr_in ground = {
         .sin_family = AF_INET,
         .sin_port = htons(CONFIG_TTC_UDP_DOWNLINK_PORT),
         .sin_addr.s_addr = inet_addr(CONFIG_TTC_GROUND_IP),
     };
-    uint8_t dl_seq = 0; /* one running counter across everything mirrored down,
-                         * so ground can spot drops in the combined stream */
+    uint8_t dl_seq = 0; 
 
-    for (;;) {
+    while (1) {
         can_frame_t rx, tx[MASTER_COMMS_MAX_TX];
         char text[96];
         uint8_t alive_before = comms.alive_mask;
 
         if (can_bus_recv(&rx, RX_TIMEOUT_MS)) {
             ESP_LOGI(TAG, "rx: %s", master_describe_frame(&rx, text, sizeof text));
-            /* CAN controllers don't loop a node's own transmitted frames
-             * back to its own RX, so this is the ONLY path that captures
-             * traffic from every other node - EPS/Instrumentation/
-             * Photonics/etc - Master's own tx frames are mirrored
-             * separately below. */
+
             downlink_frame(dl_sock, &ground, &dl_seq, &rx);
             send_all(tx, master_comms_on_frame(&comms, now_ms(), &rx, tx));
         }
@@ -137,9 +114,7 @@ void app_main(void) {
     if (!hal_init())
         ESP_LOGE(TAG, "CAN init failed");
 
-    /* Must run before ttc_uplink_task is created: that task can call
-     * master_control_set_phase() as soon as a ground command arrives, and
-     * this is what creates the mutex it needs. See control.h. */
+    /* Must run before ttc_uplink_task is created */
     master_control_init();
 
     xTaskCreatePinnedToCore(comms_task, "master_comms", 4096, NULL, 10, NULL, 0);
diff --git a/src/Master/ttc.c b/src/Master/ttc.c
index 49ce6bf..8ea8de5 100644
--- a/src/Master/ttc.c
+++ b/src/Master/ttc.c
@@ -2,8 +2,6 @@
 
 #include <string.h>
 
-/* Wire format constants (SED "Downlink (UDP)" proposal). Needed on host too,
- * since ttc_pack_downlink() is pure byte-packing and is built there. */
 #define TTC_DL_HDR_LEN 4
 #define TTC_DL_FRAME_LEN 11
 
@@ -24,10 +22,10 @@ size_t ttc_pack_downlink(uint8_t *pkt, size_t pkt_len, uint8_t seq, const can_fr
     return TTC_DL_HDR_LEN + TTC_DL_FRAME_LEN;
 }
 
-/* Everything below owns a task and sockets, so it's ESP-IDF-only - guarded
- * the same way as control.c, so the host node_Master target (linked against
- * HAL/sim/) builds this file down to just ttc_pack_downlink() above,
- * host-testable like any other pure helper. */
+/* Everything below owns a task and sockets, so it's ESP-IDF-only 
+ * This is very close to what the old ttc_uplink_task() did, but now it's a separate file 
+ * I'm very close to putting this in the HAL layer (TODO?)
+*/
 #ifdef ESP_PLATFORM
 
 #include <errno.h>
@@ -45,7 +43,6 @@ static const char *TAG = "master_ttc";
 
 #define RX_BUF_LEN 64
 
-/* Wire format constants (SED "Uplink (TCP)" proposal - see ttc_ground.py). */
 #define TTC_UL_SYNC 0xA5
 #define TTC_UL_HDR_LEN 4
 #define TTC_UL_MAX_PAYLOAD 8
@@ -82,16 +79,9 @@ static void send_ack(int sock, uint8_t cmd, uint8_t flags, uint8_t status,
     send_all(sock, ack, TTC_ACK_HDR_LEN + len);
 }
 
-/* No general CAN forwarding yet - see ttc.h. Two commands are handled for
- * real so far:
- *   - TTC_TEST_PING (payload echoed back) so a round-trip time can be
- *     measured with nothing else in the loop.
- *   - CAN_CMD_FLIGHT_PHASE: the first command actually gated through the
- *     flight manager (control.c) before anything happens, rather than
- *     just being logged and ACKed. This is the pattern every other
- *     command will eventually follow.
- * Everything else is still just logged and ACKed OK, which is enough to
- * prove ground's command reached the board. */
+/* No general CAN forwarding yet - see ttc.h
+ * This is just a proof of concept for the EAR demo, full TT&C still need to be tested
+ */
 static void handle_command(int sock, uint8_t cmd, uint8_t flags, const uint8_t *p, uint8_t len) {
     if ((flags & TTC_UL_FLAG_TEST) && cmd == TTC_TEST_PING) {
         send_ack(sock, cmd, flags, TTC_ACK_OK, p, len);
diff --git a/src/Master/ttc.h b/src/Master/ttc.h
index ac5da68..eed7278 100644
--- a/src/Master/ttc.h
+++ b/src/Master/ttc.h
@@ -1,15 +1,14 @@
 /**
  * @file ttc.h
  * @brief Master's TT&C link handling: bare minimum to prove Master and a
- *        ground script can talk. Deliberately simple - no queues, no CAN
+ *        ground script can talk. Deliberately simple: no queues, no CAN
  *        forwarding, no flight-manager gating yet:
  *          - ttc_pack_downlink() is a pure helper comms_task uses to mirror
- *            the CAN heartbeat it already sends, over UDP.
+ *            the CAN heartbeat it already sends, over UDP
  *          - ttc_uplink_task() is a TCP listener that logs and ACKs
- *            whatever ground sends. It doesn't forward anything to CAN.
+ *            whatever ground sends. It doesn't forward anything to CAN... :3
  *
- * Lives here (not libs/) because it owns a task and sockets - that's
- * active behaviour specific to Master, not a reusable pure utility.
+ * Lives here (not libs/) because it owns a task and sockets, and isn't just a helper function
  */
 #ifndef HELIA_MASTER_TTC_H
 #define HELIA_MASTER_TTC_H
@@ -23,12 +22,13 @@ extern "C" {
 #endif
 
 /** @brief Exact size of a packed downlink packet (4-byte header + 11-byte
- *         frame). Size the buffer passed to ttc_pack_downlink() with this. */
+ *         frame). 
+ * Size the buffer passed to ttc_pack_downlink() with this */
 #define TTC_DL_PACKET_LEN 15u
 
 /**
  * @brief Pack one CAN frame into the SED UDP downlink wire format
- *        (header + 11-byte frame). Pure byte-packing, no I/O.
+ *        (header + 11-byte frame). Pure byte-packing, no I/O
  * @return Bytes written to @p pkt (TTC_DL_PACKET_LEN), or 0 if @p pkt_len
  *         is too small.
  */
@@ -37,7 +37,7 @@ size_t ttc_pack_downlink(uint8_t *pkt, size_t pkt_len, uint8_t seq, const can_fr
 /**
  * @brief TCP uplink listener. Accepts one ground connection at a time,
  *        logs and ACKs each command it parses. Pinned to core 0 by
- *        setup.c, alongside comms_task.
+ *        setup.c, alongside comms_task
  */
 void ttc_uplink_task(void *arg);