diff --git a/src/pitchdark.a b/src/pitchdark.a
index a73caa4..22e7d7a 100644
--- a/src/pitchdark.a
+++ b/src/pitchdark.a
@@ -63,14 +63,14 @@ MainScreen
          jsr   WeeGUI
          jsr   PaintAllViews         ; draw all UI elements
          bit   $C010                 ; clear keyboard strobe
-.runLoop
+.mainRunLoop
          ldx   #WGPendingViewAction
          jsr   WeeGUI                ; handle mouse movement and clicks
          lda   $c000
-         bpl   .runLoop
+         bpl   .mainRunLoop
          bit   $c010
          jsr   HandleKey             ; handle keypresses
-         bra   .runLoop
+         bra   .mainRunLoop
 
 ExitWeeGUI
          ldx   #WGDisableMouse       ; disable mouse support before quitting
diff --git a/src/ui.main.keys.a b/src/ui.main.keys.a
index 393b8a0..9a9ae51 100644
--- a/src/ui.main.keys.a
+++ b/src/ui.main.keys.a
@@ -248,18 +248,18 @@ callback_boxart
          sta   $C052
          sta   $C054
          sta   $C050
-         bit   $C010
-         ldx   #WGClearPendingClick
+         bit   $C010                 ; clear keyboard strobe
+         ldx   #WGClearPendingClick  ; clear WeeGUI mouse strobe
          jsr   WeeGUI
--
+.boxArtRunLoop
          ldx   #WGPendingClick
          jsr   WeeGUI
          cpx   #$FF
-         bne   +
+         bne   +                     ; X != #$FF -> user clicked mouse
          lda   $C000
-         bpl   -
-+        bit   $C010
-         ldx   #WGClearPendingClick
+         bpl   .boxArtRunLoop
++        bit   $C010                 ; clear keyboard strobe
+         ldx   #WGClearPendingClick  ; clear WeeGUI mouse strobe
          jsr   WeeGUI
          sta   $C051                 ; back to text
          rts