[Keymap] Fix typo and function layer image for Quefrency (#5719)

keyboards/keebio/quefrency/keymaps/bcat/keymap.c

@@ -6,7 +6,7 @@ enum layer {
     LAYER_MOUSE,
 };
 
-/* Switch to mouse function layer when held. */
+/* Switch to function layer when held. */
 #define LY_FUNC MO(LAYER_FUNCTION)
 
 /* Switch to mouse layer when held; send menu key when tapped. */

keyboards/keebio/quefrency/keymaps/bcat/readme.md

@@ -10,7 +10,7 @@ cluster, and mouse keys on their own layer centered around the arrow cluster.
 
 ## Function layer
 
-![Function layer layout](https://i.imgur.com/eucGFjL.png)
+![Function layer layout](https://i.imgur.com/Hu5wNpl.png)
 
 ## Mouse layer