fix(curriculum): missing comma for cat painting app step 47 (freeCodeCamp#55992)

Author: sulaiman-dev

curriculum/challenges/english/14-responsive-web-design-22/learn-intermediate-css-by-building-a-cat-painting/646de7b64467e96b7d35b5cd.md

@@ -7,7 +7,7 @@ dashedName: step-47
 
 # --description--
 
-Move the right eye into position with a `position` property of `absolute` a `top` of `54px`, and a `left` of `134px`.
+Move the right eye into position with a `position` property of `absolute`, a `top` of `54px`, and a `left` of `134px`.
 
 # --hints--