Continue documenting generic arguments

src/field_camera.c

@@ -437,10 +437,10 @@ void SetCameraPanningCallback(void (*callback)(void))
     sFieldCameraPanningCallback = callback;
 }
 
-void SetCameraPanning(s16 a, s16 b)
+void SetCameraPanning(s16 horizontal, s16 vertical)
 {
-    sHorizontalCameraPan = a;
-    sVerticalCameraPan = b + 32;
+    sHorizontalCameraPan = horizontal;
+    sVerticalCameraPan = vertical + 32;
 }
 
 void InstallCameraPanAheadCallback(void)