diff --git a/certbot/error_handler.py b/certbot/error_handler.py
index 20315ded7..779c2d5ca 100644
--- a/certbot/error_handler.py
+++ b/certbot/error_handler.py
@@ -115,7 +115,9 @@ class ErrorHandler(object):
         self.prev_handlers.clear()
 
     def _signal_handler(self, signum, unused_frame):
-        """Stores the recieved signal. If we are executing the code block in
+        """Replacement function for handling recieved signals.
+
+        Store the recieved signal. If we are executing the code block in
         the body of the context manager, stop by raising signal exit.
 
         :param int signum: number of current signal