diff --git a/certbot/error_handler.py b/certbot/error_handler.py
index 5b9220583..42861b4a1 100644
--- a/certbot/error_handler.py
+++ b/certbot/error_handler.py
@@ -112,7 +112,8 @@ class ErrorHandler(object):
         self.prev_handlers.clear()
 
     def _signal_handler(self, signum, unused_frame):
-        """Stores the recieved signal.
+        """Stores 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