Fix number

Author: markstory

2025/12/13/cakephp_530RC2.rst

@@ -49,7 +49,7 @@ You can help deliver 5.3.0 by contributing in one of many ways:
    Even if those features don't make it into 5.3.0, we're early in the process
    of planning 5.3 and value community feedback.
 
-Contributors to 5.3.0-RC1
+Contributors to 5.3.0-RC2
 -------------------------
 
 Thank you to all the contributors that have contributed to this release: