diff --git a/src/shared/drivers/adc/InternalADC.cpp b/src/shared/drivers/adc/InternalADC.cpp
index c66aad6121452ce9a50698f7eefe27089f53051a..6312b2d9aa93587f41cf6fa000bdb759fd8dc8e4 100644
--- a/src/shared/drivers/adc/InternalADC.cpp
+++ b/src/shared/drivers/adc/InternalADC.cpp
@@ -227,6 +227,8 @@ inline void InternalADC::setChannelSampleTime(Channel channel,
 
 float InternalADC::readChannel(Channel channel)
 {
+    // Assuming that ADC_SQR1_L remains 0 (1 conversion)
+
     // Select channel
     adc->SQR3 = channel;
 
diff --git a/src/shared/utils/ClockUtils.h b/src/shared/utils/ClockUtils.h
index 7d6a021f08a59213fc342b920c22dd5c8253aef1..996a1c712e5541af05411b19f0307f07f1fce534 100644
--- a/src/shared/utils/ClockUtils.h
+++ b/src/shared/utils/ClockUtils.h
@@ -233,8 +233,11 @@ inline bool ClockUtils::enablePeripheralClock(void* peripheral)
                 RCC->AHB1ENR |= RCC_AHB1ENR_BKPSRAMEN;
                 break;
 #endif
-// On some microcontrollers like the stm32f205, CCMDATARAM_BASE is defined
-// incorrectly. So we check for the macro bit
+// In the CMSIS version used in the kernel, the CCMDATARAM_BASE macro is defined
+// for some microcontrollers that do not have the Core Coupled Memory while
+// the RCC_AHB1ENR_CCMDATARAMEN is correctly not defined in such cases. To fix
+// the error, instead of checking for CCMDATARAM_BASE with #ifdef like for the
+// other case statements, I check directly for RCC_AHB1ENR_CCMDATARAMEN.
 #ifdef RCC_AHB1ENR_CCMDATARAMEN
             case CCMDATARAM_BASE:
                 RCC->AHB1ENR |= RCC_AHB1ENR_CCMDATARAMEN;
@@ -591,8 +594,11 @@ inline bool ClockUtils::disablePeripheralClock(void* peripheral)
                 RCC->AHB1ENR &= ~RCC_AHB1ENR_BKPSRAMEN;
                 break;
 #endif
-// On some micrcontrollers like the stm32f205, CCMDATARAM_BASE is defined
-// incorrectly. So we check for the macro bit
+// In the CMSIS version used in the kernel, the CCMDATARAM_BASE macro is defined
+// for some microcontrollers that do not have the Core Coupled Memory while
+// the RCC_AHB1ENR_CCMDATARAMEN is correctly not defined in such cases. To fix
+// the error, instead of checking for CCMDATARAM_BASE with #ifdef like for the
+// other case statements, I check directly for RCC_AHB1ENR_CCMDATARAMEN.
 #ifdef RCC_AHB1ENR_CCMDATARAMEN
             case CCMDATARAM_BASE:
                 RCC->AHB1ENR &= ~RCC_AHB1ENR_CCMDATARAMEN;
diff --git a/src/tests/boards/test-qspi-flash.cpp b/src/tests/boards/test-qspi-flash.cpp
index ce9cb787eae203ac4c19248226514027ff4d9606..700bf2fcea98948a1f429ffaee5e7769fc567483 100644
--- a/src/tests/boards/test-qspi-flash.cpp
+++ b/src/tests/boards/test-qspi-flash.cpp
@@ -1,5 +1,5 @@
-/* Copyright (c) 2015-2017 Skyward Experimental Rocketry
- * Author: Luca Erbetta
+/* Copyright (c) 2023 Skyward Experimental Rocketry
+ * Author: Alberto Nidasio
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -20,7 +20,13 @@
  * THE SOFTWARE.
  */
 
+/**
+ * This is a quick and dirty test of the QSPI flash on board the compute unit. A
+ * proper driver for the flash will need to be developed!
+ */
+
 #include <miosix.h>
+#include <utils/ClockUtils.h>
 
 using namespace miosix;
 
@@ -69,6 +75,7 @@ int main()
 
     RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN | RCC_AHB1ENR_GPIOFEN;
     RCC->AHB3ENR |= RCC_AHB3ENR_QSPIEN;
+
     RCC_SYNC();
 
     delayMs(2 * 1000);
diff --git a/src/tests/test-rtc.cpp b/src/tests/test-rtc.cpp
index 7fc4242ae19797514767b6071fcd0c8d523140ee..c1df7512dcf0a82615bf56cd16891b4a8ab515ba 100644
--- a/src/tests/test-rtc.cpp
+++ b/src/tests/test-rtc.cpp
@@ -20,6 +20,12 @@
  * THE SOFTWARE.
  */
 
+/**
+ * This is a quick and dirty test of the RTC time keeping functionality with
+ * the 32.768KHz crystal on board the compute unit. A proper driver will need to
+ * be developed!
+ */
+
 // PA14 -> OSC32_IN
 // PA15 -> OSC32_OUT