fix typo

keyboards/ergodox_ez/ergodox_ez.c

@@ -38,7 +38,7 @@ void matrix_init_kb(void) {
     PORTB &= ~(1<<4);  // set B(4) internal pull-up disabled
 
     // unused pins - C7, D4, D5, D7, E6
-    // set as input with internal pull-ip enabled
+    // set as input with internal pull-up enabled
     DDRC  &= ~(1<<7);
     DDRD  &= ~(1<<5 | 1<<4);
     DDRE  &= ~(1<<6);