Fix option configuration examples

Author: jfmengels

docs/rules/max-asserts.md

@@ -56,5 +56,5 @@ The rule takes one option, a number, which is the maximum number of assertions f
 You can set the option in configuration like this:
 
 ```js
-"max-asserts": [2, 5]
+"ava/max-asserts": [2, 5]
 ```

docs/rules/test-title.md

@@ -31,5 +31,5 @@ The rule takes one option, a string, which could be either `"always"` or `"if-mu
 You can set the option in configuration like this:
 
 ```js
-"test-title": [2, "always"]
+"ava/test-title": [2, "always"]
 ```