diff --git a/common/system.h b/common/system.h
index 9b136fde354..5139a16862d 100644
--- a/common/system.h
+++ b/common/system.h
@@ -779,7 +779,7 @@ public:
 	 *                          In case it does the behavior is undefined. The backend might just error out or simply ignore the
 	 *                          value. (The SDL backend will just assert to prevent abuse of this).
 	 * @param cursorTargetScale	scale factor which cursor is designed for
-	 * @param format			pointer to the pixel format which cursor graphic uses (0 means screen format)
+	 * @param format			pointer to the pixel format which cursor graphic uses (0 means CLUT8)
 	 */
 	virtual void setMouseCursor(const byte *buf, uint w, uint h, int hotspotX, int hotspotY, uint32 keycolor, int cursorTargetScale = 1, const Graphics::PixelFormat *format = NULL) = 0;