diff --git a/docs/intro/duction.rst b/docs/intro/duction.rst
index 23d9240..cc547e0 100644
--- a/docs/intro/duction.rst
+++ b/docs/intro/duction.rst
@@ -11,7 +11,7 @@ include:
 
   Python's philosophy focuses on readability, from code blocks
   delineated with significant whitespace to intuitive keywords in
-  place of inscrutable punctuation
+  place of inscrutable punctuation.
 
 * **extensive standard libraries and third party modules for virtually
   any task**