Update README.md

Typo fixes

Author: rishitb-mongodb

README.md

@@ -42,7 +42,7 @@ MongoDB project, please report it according to the [instructions here](https://w
 
 ## Versioning
 
-We generally follow [semantic versioning(https://semver.org/) when releasing.
+We generally follow [semantic versioning](https://semver.org/spec/v2.0.0.html) when releasing.
 
 #### @Alpha