Update no-mutating-props.md

Author: armano2

Diff for: docs/rules/no-mutating-props.md

@@ -61,4 +61,4 @@ Nothing.
 ## Related links
 
 - [Vue - Prop Mutation - deprecated](https://vuejs.org/v2/guide/migration.html#Prop-Mutation-deprecated)
-- [Style guide - Implicit parent-child communication](hhttps://vuejs.org/v2/style-guide/#Implicit-parent-child-communication-use-with-caution)
+- [Style guide - Implicit parent-child communication](https://vuejs.org/v2/style-guide/#Implicit-parent-child-communication-use-with-caution)