Fix typo

Author: fabpot

CHANGELOG.md

@@ -5,7 +5,7 @@ CHANGELOG
 ---
 
  * Add `params` variable to condition expression
- * Deprecate not passing route parameters as the forth argument to `UrlMatcher::handleRouteRequirements()`
+ * Deprecate not passing route parameters as the fourth argument to `UrlMatcher::handleRouteRequirements()`
 
 6.1
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