diff --git a/src/core.c b/src/core.c
index 40691403..1d05edc6 100644
--- a/src/core.c
+++ b/src/core.c
@@ -1111,6 +1111,7 @@ Vector2 GetTouchPosition(void)
     return position;
 }
 
+// Detect if a button has been pressed once
 bool IsButtonPressed(int button)
 {
     bool pressed = false;
diff --git a/src/physac.c b/src/physac.c
index 73ce7adc..6e3b6e61 100644
--- a/src/physac.c
+++ b/src/physac.c
@@ -61,7 +61,7 @@ static Vector2 Vector2Normalize(Vector2 vector);
 //----------------------------------------------------------------------------------
 // Module Functions Definitions
 //----------------------------------------------------------------------------------
-void InitPhysics()
+void InitPhysics(void)
 {    
     for (int i = 0; i < MAX_ELEMENTS; i++)
     {
diff --git a/src/physac.h b/src/physac.h
index 7dbfe1fe..558673ef 100644
--- a/src/physac.h
+++ b/src/physac.h
@@ -76,7 +76,7 @@ extern "C" {            // Prevents name mangling of functions
 //----------------------------------------------------------------------------------
 // Module Functions Declarations
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot
diff --git a/src/raylib.h b/src/raylib.h
index 641eac4b..72211b59 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -589,7 +589,7 @@ int GetTouchY(void);                                    // Returns touch positio
 Vector2 GetTouchPosition(void);                         // Returns touch position XY (relative to screen size)
 bool IsButtonPressed(int button);                       // Detect if an android physic button has been pressed
 bool IsButtonDown(int button);                          // Detect if an android physic button is being pressed
-bool IsButtonReleased(int button);                      // Detect if an android physic button has been released    
+bool IsButtonReleased(int button);                      // Detect if an android physic button has been released
 
 //------------------------------------------------------------------------------------
 // Gestures and Touch Handling Functions (Module: gestures)
@@ -805,7 +805,7 @@ void SetMaterialNormalDepth(Material *material, float depth);           // Set n
 //----------------------------------------------------------------------------------
 // Physics System Functions (engine-module: physics)
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot
diff --git a/templates/android_project/jni/include/raylib.h b/templates/android_project/jni/include/raylib.h
index 641eac4b..72211b59 100644
--- a/templates/android_project/jni/include/raylib.h
+++ b/templates/android_project/jni/include/raylib.h
@@ -589,7 +589,7 @@ int GetTouchY(void);                                    // Returns touch positio
 Vector2 GetTouchPosition(void);                         // Returns touch position XY (relative to screen size)
 bool IsButtonPressed(int button);                       // Detect if an android physic button has been pressed
 bool IsButtonDown(int button);                          // Detect if an android physic button is being pressed
-bool IsButtonReleased(int button);                      // Detect if an android physic button has been released    
+bool IsButtonReleased(int button);                      // Detect if an android physic button has been released
 
 //------------------------------------------------------------------------------------
 // Gestures and Touch Handling Functions (Module: gestures)
@@ -805,7 +805,7 @@ void SetMaterialNormalDepth(Material *material, float depth);           // Set n
 //----------------------------------------------------------------------------------
 // Physics System Functions (engine-module: physics)
 //----------------------------------------------------------------------------------
-void InitPhysics();                                                         // Initialize all internal physics values
+void InitPhysics(void);                                                     // Initialize all internal physics values
 void SetPhysics(Physics settings);                                          // Set physics settings values using Physics data type to overwrite internal physics settings
 
 void AddRigidbody(int index, Rigidbody rigidbody);                          // Initialize a new rigidbody with parameters to internal index slot