diff --git a/one_line_canvas.tal b/one_line_canvas.tal
index 19dbf36..6e05dee 100644
--- a/one_line_canvas.tal
+++ b/one_line_canvas.tal
@@ -31,7 +31,7 @@
     &loop
         ( set y )
         ,/y LDR DUP ( y y )
-        #00 SWP ( y 00 y)
+        #00 SWP ( y 00 y )
         .Screen/y DEO2 ( y )
         ( draw pixel )
         PX