diff --git a/lib/utils/getSocketServerImplementation.js b/lib/utils/getSocketServerImplementation.js
index 572a6080e0..6df634085f 100644
--- a/lib/utils/getSocketServerImplementation.js
+++ b/lib/utils/getSocketServerImplementation.js
@@ -29,7 +29,7 @@ function getSocketServerImplementation(options) {
 
   if (!serverImplFound) {
     throw new Error(
-      "serverMode must be a string denoting a default implementation (eg. 'sockjs'), a full path to " +
+      "serverMode must be a string denoting a default implementation (e.g. 'sockjs'), a full path to " +
         'a JS file which exports a class extending BaseServer (webpack-dev-server/lib/servers/BaseServer) ' +
         'via require.resolve(...), or the class itself which extends BaseServer'
     );