diff --git a/scrapy/utils/signal.py b/scrapy/utils/signal.py
index d05ab5c70..5496b7041 100644
--- a/scrapy/utils/signal.py
+++ b/scrapy/utils/signal.py
@@ -1,4 +1,4 @@
-"""Helper functinos for working with signals"""
+"""Helper functions for working with signals"""
 
 from twisted.internet.defer import maybeDeferred, DeferredList, Deferred
 from twisted.python.failure import Failure