docs: update

Author: waynzh

Diff for: docs/rules/slot-name-casing.md

@@ -40,9 +40,9 @@ This rule enforce proper casing of slot names in vue components.
 }
 ```
 
-- `"camelCase"` (default) ... Enforce slot name to be camel case.
-- `"kebab-case"` ... Enforce slot name to be kebab case.
-- `"singleword"` ... Enforce slot name to be single word.
+- `"camelCase"` (default) ... Enforce slot name to be in camel case.
+- `"kebab-case"` ... Enforce slot name to be in kebab case.
+- `"singleword"` ... Enforce slot name to be a single word.
 
 ### `"kebab-case"`
 

Diff for: lib/rules/slot-name-casing.js

@@ -39,7 +39,7 @@ module.exports = {
       }
     ],
     messages: {
-      invalidCase: 'Slot name "{{name}}" is not in {{caseType}}.'
+      invalidCase: 'Slot name "{{name}}" is not {{caseType}}.'
     }
   },
   /** @param {RuleContext} context */