fix minor grammar typo
diff --git a/Doc/library/codecs.rst b/Doc/library/codecs.rst
index 121dd28..87aceda 100644
--- a/Doc/library/codecs.rst
+++ b/Doc/library/codecs.rst
@@ -295,7 +295,8 @@
------------------
The :mod:`codecs` module defines a set of base classes which define the
-interface and can also be used to easily write you own codecs for use in Python.
+interface and can also be used to easily write your own codecs for use in
+Python.
Each codec has to define four interfaces to make it usable as codec in Python:
stateless encoder, stateless decoder, stream reader and stream writer. The