Fix

Author: Pavithra K

content/concepts/plugins.md

@@ -22,7 +22,7 @@ function ConsoleLogOnBuildWebpackPlugin() {
 };
 
 ConsoleLogOnBuildWebpackPlugin.prototype.apply = function(compiler) {
-  compiler.plugin('run', function(compilation, callback) {
+  compiler.plugin('run', function(compiler, callback) {
     console.log("The webpack build process is starting!!!");
 
     callback();