bpo-36168: Lowercase the word "subsequent" in get_value doc (GH-14485)


Subsequent -> subsequent

https://bugs.python.org/issue36168
(cherry picked from commit 12b436e3b079fb3e3a7197c089df90a77e3bdd77)

Co-authored-by: Krishna Oza <krishoza15sep@gmail.com>
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