diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index 288dde6..af8b9b3 100644
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -146,7 +146,7 @@
       keyword arguments.
 
       For compound field names, these functions are only called for the first
-      component of the field name; Subsequent components are handled through
+      component of the field name; subsequent components are handled through
       normal attribute and indexing operations.
 
       So for example, the field expression '0.name' would cause