Update README.md

README.md

@@ -141,7 +141,7 @@ Documentation
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 * [github wiki pages](https://github.com/weseek/crowi-plus/wiki)
-  * [Question and Answers](https://github.com/weseek/crowi-plus/wiki/Question-and-Answers)
+  * [Questions and Answers](https://github.com/weseek/crowi-plus/wiki/Questions-and-Answers)
 
 
 License