diff --git a/bin/config-optimist.js b/bin/config-optimist.js
index 76a13feb9..eb1ffdfd5 100644
--- a/bin/config-optimist.js
+++ b/bin/config-optimist.js
@@ -26,7 +26,7 @@ module.exports = function(optimist) {
 		.boolean("watch").alias("watch", "w").describe("watch", "Watch the filesystem for changes")
 		.boolean("watch-stdin").alias("watch-stdin", "stdin").describe("Exit the process when stdin is closed")
 		.describe("watch-aggregate-timeout", "Timeout for gathering changes while watching")
-		.describe("watch-poll", "The polling intervall for watching (also enable polling)")
+		.describe("watch-poll", "The polling interval for watching (also enable polling)")
 		.boolean("hot").describe("hot", "Enables Hot Module Replacement")
 		.boolean("debug").describe("debug", "Switch loaders to debug mode")
 		.string("devtool").describe("devtool", "Enable devtool for better debugging experience")
diff --git a/bin/config-yargs.js b/bin/config-yargs.js
index f8e559473..b8391562e 100644
--- a/bin/config-yargs.js
+++ b/bin/config-yargs.js
@@ -167,7 +167,7 @@ module.exports = function(yargs) {
 			},
 			"watch-poll": {
 				type: "boolean",
-				describe: "The polling intervall for watching (also enable polling)",
+				describe: "The polling interval for watching (also enable polling)",
 				group: ADVANCED_GROUP
 			},
 			"hot": {