diff --git a/src/allmydata/node.py b/src/allmydata/node.py
index 99062d771..93fb7461d 100644
--- a/src/allmydata/node.py
+++ b/src/allmydata/node.py
@@ -373,7 +373,7 @@ class _Config(object):
 
     def set_config(self, section, option, value):
         """
-        Set a config options in a section and re-write the tahoe.cfg file
+        Set a config option in a section and re-write the tahoe.cfg file
         """
         if option.endswith(".furl") and "#" in value:
             raise UnescapedHashError(section, option, value)