diff --git a/README.md b/README.md
index 6c85e18a..3dd1eb6c 100644
--- a/README.md
+++ b/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.
diff --git a/packages/graphql-language-service/src/cli.js b/packages/graphql-language-service/src/cli.js
index 2771dc6b..aec02ed0 100644
--- a/packages/graphql-language-service/src/cli.js
+++ b/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',
   });