diff --git a/app/http.c b/app/http.c
index b3f48c0..2b1b532 100644
--- a/app/http.c
+++ b/app/http.c
@@ -14,7 +14,7 @@
  */
 // Central store for Microvisor resource handles used in this code.
 // See `https://www.twilio.com/docs/iot/microvisor/syscalls#handles`
-struct {
+static struct {
     MvNotificationHandle notification;
     MvNetworkHandle      network;
     MvChannelHandle      channel;
@@ -23,10 +23,9 @@ struct {
 // Central store for HTTP request management notification records.
 // Holds HTTP_NT_BUFFER_SIZE_R records at a time -- each record is 16 bytes in size.
 static struct MvNotification http_notification_center[HTTP_NT_BUFFER_SIZE_R] __attribute__((aligned(8)));
-// Modified in ISR
 static volatile uint32_t current_notification_index = 0;
 
-// Defined in `main.c`, modified in ISR
+// Defined in `main.c`
 extern volatile bool received_request;
 extern volatile bool channel_was_closed;
 
@@ -130,7 +129,7 @@ void http_setup_notification_center(void) {
     // Ask Microvisor to establish the notification center
     // and confirm that it has accepted the request
     enum MvStatus status = mvSetupNotifications(&http_notification_setup, &http_handles.notification);
-    do_assert(status == MV_STATUS_OKAY, "Could not set up HTTP channel NC");
+    do_assert(status == MV_STATUS_OKAY, "Could not set up HTTP channel Notification Center");
 
     // Start the notification IRQ
     NVIC_ClearPendingIRQ(TIM8_BRK_IRQn);
@@ -183,7 +182,7 @@ enum MvStatus http_send_request(uint32_t item_number) {
     // Issue the request -- and check its status
     enum MvStatus status = mvSendHttpRequest(http_handles.channel, &request_config);
     if (status == MV_STATUS_OKAY) {
-        server_log("Request sent to Microvisor Cloud");
+        server_log("Request sent to the Microvisor Cloud");
     } else if (status == MV_STATUS_CHANNELCLOSED) {
         server_error("HTTP channel %lu already closed", (uint32_t)http_handles.channel);
     } else {
diff --git a/app/logging.c b/app/logging.c
index 22ba1bb..450181e 100644
--- a/app/logging.c
+++ b/app/logging.c
@@ -1,6 +1,6 @@
 /**
  *
- * Microvisor HTTP Communications Demo
+ * Microvisor C Demos
  *
  * Copyright © 2024, KORE Wireless
  * Licence: MIT
@@ -25,9 +25,9 @@ static uint8_t  log_buffer[LOG_BUFFER_SIZE_B] __attribute__((aligned(512))) = {0
 static uint32_t log_state = USER_HANDLE_LOGGING_OFF;
 
 // Entities for local serial logging
+static bool uart_available = false;
 // Declared in `uart_logging.c`
 extern UART_HandleTypeDef uart;
-static bool uart_available = false;
 
 
 /**
diff --git a/app/logging.h b/app/logging.h
index 5c2328d..3236b25 100644
--- a/app/logging.h
+++ b/app/logging.h
@@ -1,6 +1,6 @@
 /**
  *
- * Microvisor HTTP Communications Demo
+ * Microvisor C Demos
  *
  * Copyright © 2024, KORE Wireless
  * Licence: MIT
diff --git a/app/main.c b/app/main.c
index 615d285..880ea54 100644
--- a/app/main.c
+++ b/app/main.c
@@ -207,7 +207,6 @@ static void task_http(void *argument) {
 
     // Run the thread's main loop
     while (1) {
-        MvChannelHandle channel_handle = http_get_handle();
         uint32_t tick = HAL_GetTick();
         if (tick - send_tick > REQUEST_SEND_PERIOD_MS) {
             // Display the current count
@@ -215,12 +214,12 @@ static void task_http(void *argument) {
             server_log("Ping %lu", ping_count++);
 
             // No channel open? The try and open a new one
-            if (channel_handle == 0 && http_open_channel()) {
+            if (http_get_handle() == 0 && http_open_channel()) {
                 if (http_send_request(ping_count) != 0) do_close_channel = true;
                 kill_time = tick;
             } else {
-                server_error("Channel handle not zero");
-                if (channel_handle != 0) do_close_channel = true;
+                server_error("Channel handle not zero or could not open channel");
+                if (http_get_handle() != 0) do_close_channel = true;
             }
         }
 
@@ -230,7 +229,7 @@ static void task_http(void *argument) {
         // Respond to unexpected channel closure
         if (channel_was_closed) {
             enum MvClosureReason reason = 0;
-            if (mvGetChannelClosureReason(channel_handle, &reason) == MV_STATUS_OKAY) {
+            if (mvGetChannelClosureReason(http_get_handle(), &reason) == MV_STATUS_OKAY) {
                 server_log("Closure reason: %lu", (uint32_t)reason);
             }
 
diff --git a/app/network.c b/app/network.c
index 62fefb1..b0b7d91 100644
--- a/app/network.c
+++ b/app/network.c
@@ -1,6 +1,6 @@
 /**
  *
- * Microvisor HTTP Communications Demo
+ * Microvisor C Demos
  *
  * Copyright © 2024, KORE Wireless
  * Licence: MIT
diff --git a/app/network.h b/app/network.h
index f0e6cbc..0a2553a 100644
--- a/app/network.h
+++ b/app/network.h
@@ -1,6 +1,6 @@
 /**
  *
- * Microvisor HTTP Communications Demo
+ * Microvisor C Demos
  *
  * Copyright © 2024, KORE Wireless
  * Licence: MIT