Moved note to new place of inversion.

src/cocoa_window.m

@@ -683,12 +683,7 @@ static int translateKey(unsigned int key)
     }
 
     if (fabs(deltaX) > 0.0 || fabs(deltaY) > 0.0)
-    {
-        // NOTE: The X-axis is inverted for consistency with Windows and X11.
-        //       Natural scrolling inverts both axes, making it consistent with
-        //       the similarly named feature on modern X11 desktop systems.
         _glfwInputScroll(window, deltaX, deltaY);
-    }
 }
 
 - (void)resetCursorRects

src/win32_window.c

@@ -728,6 +728,7 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
         case WM_MOUSEHWHEEL:
         {
             // This message is only sent on Windows Vista and later
+            // NOTE: The X-axis is inverted for consistency with OS X and X11.
             _glfwInputScroll(window, -((SHORT) HIWORD(wParam) / (double) WHEEL_DELTA), 0.0);
             return 0;
         }