diff --git a/keywords.txt b/keywords.txt
index 664dee11..ab7dcfdb 100644
--- a/keywords.txt
+++ b/keywords.txt
@@ -9,6 +9,8 @@
 RadioLib	KEYWORD1
 RadioShield	KEYWORD1
 Module	KEYWORD1
+Hal	KEYWORD1
+ArduinoHal	KEYWORD1
 
 # modules
 CC1101	KEYWORD1
diff --git a/src/ArduinoHal.h b/src/ArduinoHal.h
index 79df17b3..8a0044c5 100644
--- a/src/ArduinoHal.h
+++ b/src/ArduinoHal.h
@@ -16,7 +16,18 @@
 
 class ArduinoHal : public Hal {
   public:
+    /*!
+      \brief Arduino Hal constructor. Will use the default SPI interface and automatically initialize it.
+    */
     ArduinoHal();
+
+    /*!
+      \brief Arduino Hal constructor. Will not attempt SPI interface initialization.
+
+      \param spi SPI interface to be used, can also use software SPI implementations.
+
+      \param spiSettings SPI interface settings.
+    */
     ArduinoHal(SPIClass& spi, SPISettings spiSettings = RADIOLIB_DEFAULT_SPI_SETTINGS);
 
     void init() override;
diff --git a/src/Module.h b/src/Module.h
index ce0ee954..4ff07380 100644
--- a/src/Module.h
+++ b/src/Module.h
@@ -106,13 +106,13 @@ class Module {
 
       \param hal A Hardware abstraction layer instance. An ArduinoHal instance for example.
 
-      \param cs Arduino pin to be used as chip select.
+      \param cs Pin to be used as chip select.
 
-      \param irq Arduino pin to be used as interrupt/GPIO.
+      \param irq Pin to be used as interrupt/GPIO.
 
-      \param rst Arduino pin to be used as hardware reset for the module.
+      \param rst Pin to be used as hardware reset for the module.
 
-      \param gpio Arduino pin to be used as additional interrupt/GPIO.
+      \param gpio Pin to be used as additional interrupt/GPIO.
     */
     Module(Hal *hal, uint8_t cs, uint8_t irq, uint8_t rst, uint8_t gpio = RADIOLIB_NC);