Fixed message of schemaPath cli by adding a dot and a uppercase A and…

README.md

@@ -77,7 +77,7 @@ Options:
                     directory, or the current working directory, until a
                     .graphqlrc is found or the root directory is found.
                                                                         [string]
-  -s, --schemaPath  a path to schema DSL file
+  -s, --schemaPath  A path to schema DSL file.
                                                                         [string]
 
 At least one command is required.

packages/graphql-language-service/src/cli.js

@@ -89,7 +89,7 @@ const {argv} = yargs
   })
   .option('s', {
     alias: 'schemaPath',
-    describe: 'a path to schema DSL file\n',
+    describe: 'A path to schema DSL file.\n',
     type: 'string',
   });