diff --git a/firmware/src/main.cpp b/firmware/src/main.cpp
index 5664d86..d68924f 100755
--- a/firmware/src/main.cpp
+++ b/firmware/src/main.cpp
@@ -498,25 +498,25 @@ void process_table(byte buttons[][3], const uint16_t keys[][5], int nbr_of_eleme
                 fn_joy_key_found = 0;
             }
             
-            // Check to not relase the same key one more time
+            // Check to not release the same key one more time
             if (keys[i][1] != NO_KEY && keys[i][1] != keys[i][0]) {
                 update_key(keys[i][1], RELEASED);
             }
 
-            // Check to not relase the same key one more time
+            // Check to not release the same key one more time
             if (keys[i][2] != NO_KEY && keys[i][2] != keys[i][0] &&
                 keys[i][2] != keys[i][1]) {
                 update_key(keys[i][2], RELEASED);
             }
 
-            // Check to not relase the same key one more time
+            // Check to not release the same key one more time
             if (keys[i][3] != NO_KEY && keys[i][3] != keys[i][0] &&
                 keys[i][3] != keys[i][1] &&
                 keys[i][3] != keys[i][2]) {
                 update_key(keys[i][3], RELEASED);
             }
 
-            // Check to not relase the same key one more time
+            // Check to not release the same key one more time
             if (keys[i][4] != NO_KEY && keys[i][4] != keys[i][0] &&
                 keys[i][4] != keys[i][1] &&
                 keys[i][4] != keys[i][2] &&
@@ -638,7 +638,7 @@ void update_analog(){
         else{
 
             // ----------------------------------------------------------		
-            // Calibraton mode.
+            // Calibration mode.
             // ----------------------------------------------------------		
             joystick_x = HID_AXIS_CENTER;
             joystick_y = HID_AXIS_CENTER;