Fix comment wording (missing a)

m14t · m14t · commit 4acf15ad7898 · 2019-12-15T16:59:08.000-08:00
diff --git a/src/type/directives.d.ts b/src/type/directives.d.ts
@@ -55,7 +55,7 @@ export const GraphQLIncludeDirective: GraphQLDirective;
 export const GraphQLSkipDirective: GraphQLDirective;
 
 /**
- * Used to provide URL for specifying the behaviour of custom scalar definitions.
+ * Used to provide a URL for specifying the behaviour of custom scalar definitions.
  */
 export const GraphQLSpecifiedDirective: GraphQLDirective;
 
diff --git a/src/type/directives.js b/src/type/directives.js
@@ -168,7 +168,7 @@ export const GraphQLSkipDirective = new GraphQLDirective({
 });
 
 /**
- * Used to provide URL for specifying the behaviour of custom scalar definitions.
+ * Used to provide a URL for specifying the behaviour of custom scalar definitions.
  */
 export const GraphQLSpecifiedDirective = new GraphQLDirective({
   name: 'specified',
