diff --git a/Doc/lib/librlcompleter.tex b/Doc/lib/librlcompleter.tex
index aff18cd844d..8794ebb8804 100644
--- a/Doc/lib/librlcompleter.tex
+++ b/Doc/lib/librlcompleter.tex
@@ -10,7 +10,7 @@ The \module{rlcompleter} module defines a completion function for
 the \refmodule{readline} module by completing valid Python identifiers
 and keywords.
 
-This module is \UNIX-specific due to it's dependence on the
+This module is \UNIX-specific due to its dependence on the
 \refmodule{readline} module.
 
 The \module{rlcompleter} module defines the \class{Completer} class.