diff --git a/pep-0505.rst b/pep-0505.rst
index 3c0fd188c..eaf4e559a 100644
--- a/pep-0505.rst
+++ b/pep-0505.rst
@@ -50,7 +50,7 @@ also lacks a value and should not be evaluated.
 
 A rejected proposal was to treat any value that evaluates to false in a
 Boolean context as not having a value. However, the purpose of these operators
-is to propagate the "lack of value" state, rather that the "false" state.
+is to propagate the "lack of value" state, rather than the "false" state.
 
 Some argue that this makes ``None`` special. We contend that ``None`` is
 already special, and that using it as both the test and the result of these