Fix : Missing GraphQL Cheatsheet link (#8184)

more/free-programming-cheatsheets.md

@@ -157,7 +157,7 @@
 
 ### GraphQL
 
-* [GraphQL Cheatsheet]([https://devhints.io/go](https://devhints.io/graphql)) - devhints, Rico Santa Cruz (HTML)
+* [GraphQL Cheatsheet](https://devhints.io/graphql) - devhints, Rico Santa Cruz (HTML)
 
 
 ### HTML and CSS