diff --git a/include/SDL_rwops.h b/include/SDL_rwops.h
index 88721e79a..d4d0d288e 100644
--- a/include/SDL_rwops.h
+++ b/include/SDL_rwops.h
@@ -45,7 +45,7 @@ typedef struct SDL_RWops {
 	 */
 	int (SDLCALL *seek)(struct SDL_RWops *context, int offset, int whence);
 
-	/* Read up to 'num' objects each of size 'objsize' from the data
+	/* Read up to 'maxnum' objects each of size 'size' from the data
 	   source to the area pointed at by 'ptr'.
 	   Returns the number of objects read, or -1 if the read failed.
 	 */