diff --git a/doxygen/custom_stylesheet.css b/doxygen/custom_stylesheet.css
index 6f555e6c11..6ad90e6156 100644
--- a/doxygen/custom_stylesheet.css
+++ b/doxygen/custom_stylesheet.css
@@ -102,6 +102,9 @@ div.navpath > ul {
 .directory td.desc {
     padding: 0.4em 0.5em 0.4em 0.5em;
 }
+.markdownTable tr:last-child td {
+    border-bottom: 1px solid #334262;
+}
 h2.memtitle, .memproto, .fieldtable th {
     background-color: #dde;
     background-image: none;
diff --git a/src/MIDI_Interfaces/BluetoothMIDI_Interface.hpp b/src/MIDI_Interfaces/BluetoothMIDI_Interface.hpp
index e5e49ad58f..20cda9214e 100644
--- a/src/MIDI_Interfaces/BluetoothMIDI_Interface.hpp
+++ b/src/MIDI_Interfaces/BluetoothMIDI_Interface.hpp
@@ -61,7 +61,7 @@ class BluetoothMIDI_Interface : public Parsing_MIDI_Interface,
 
     uint8_t connected = 0;
 
-    bool hasSpaceFor(size_t bytes) { return index + bytes < BUFFER_LENGTH; }
+    bool hasSpaceFor(size_t bytes) { return bytes <= BUFFER_LENGTH - index; }
 
   public:
     BluetoothMIDI_Interface() : Parsing_MIDI_Interface(parser) {}
diff --git a/src/MIDI_Interfaces/MIDI_Interface.hpp b/src/MIDI_Interfaces/MIDI_Interface.hpp
index 77238d7b74..17e9f55988 100644
--- a/src/MIDI_Interfaces/MIDI_Interface.hpp
+++ b/src/MIDI_Interfaces/MIDI_Interface.hpp
@@ -273,8 +273,8 @@ class Parsing_MIDI_Interface : public MIDI_Interface {
   private:
     /**
      * @brief   Try reading and parsing a single incoming MIDI message.
-     * @return  Returns the type of the read message, or @ref NO_MESSAGE if no
-     *          MIDI message was available.
+     * @return  Returns the type of the read message, or 
+     *          `MIDIReadEvent::NO_MESSAGE` if no MIDI message was available.
      */
     virtual MIDIReadEvent read() = 0;
 
diff --git a/src/MIDI_Parsers/MIDI_Parser.hpp b/src/MIDI_Parsers/MIDI_Parser.hpp
index 463d549abc..32be6e2a1c 100644
--- a/src/MIDI_Parsers/MIDI_Parser.hpp
+++ b/src/MIDI_Parsers/MIDI_Parser.hpp
@@ -11,11 +11,12 @@
 
 BEGIN_CS_NAMESPACE
 
+/// Result of the MIDI interface read methods.
 enum class MIDIReadEvent : uint8_t {
-    NO_MESSAGE = 0,
-    CHANNEL_MESSAGE = 1,
-    SYSEX_MESSAGE = 2,
-    REALTIME_MESSAGE = 3,
+    NO_MESSAGE = 0,       ///< No new incoming methods.
+    CHANNEL_MESSAGE = 1,  ///< A MIDI channel message was received.
+    SYSEX_MESSAGE = 2,    ///< A MIDI system exclusive message was received.
+    REALTIME_MESSAGE = 3, ///< A MIDI real-time message was received.
 };
 
 class MIDI_Parser {
diff --git a/src/MIDI_Senders/RelativeCCSender.hpp b/src/MIDI_Senders/RelativeCCSender.hpp
index 4e90e9b9a7..55f5858fb1 100644
--- a/src/MIDI_Senders/RelativeCCSender.hpp
+++ b/src/MIDI_Senders/RelativeCCSender.hpp
@@ -13,7 +13,7 @@ enum relativeCCmode {
      *
      * | Encoded  | Value | 
      * |---------:|------:|
-     * | 000'0000 | 0     |
+     * | 000'0000 |  0    |
      * | 000'0001 | +1    |
      * | 011'1111 | +63   |
      * | 100'0000 | -64   |
@@ -30,7 +30,7 @@ enum relativeCCmode {
      * | 000'0000 | -64   |
      * | 000'0001 | -63   |
      * | 011'1111 | -1    |
-     * | 100'0000 | 0     |
+     * | 100'0000 |  0    |
      * | 100'0001 | +1    |
      * | 111'1111 | +63   |
      */
@@ -43,8 +43,8 @@ enum relativeCCmode {
      * | Encoded  | Value | 
      * |---------:|------:|
      * | 000'0000 | +0    |
-     * | 000'0001 | 1     |
-     * | 011'1111 | 63    |
+     * | 000'0001 | +1    |
+     * | 011'1111 | +63   |
      * | 100'0000 | -0    |
      * | 100'0001 | -1    |
      * | 111'1111 | -63   |