#10200: typo.
diff --git a/Doc/library/string.rst b/Doc/library/string.rst
index b905d3a..69cc25b 100644
--- a/Doc/library/string.rst
+++ b/Doc/library/string.rst
@@ -114,7 +114,7 @@
Loop over the format_string and return an iterable of tuples
(*literal_text*, *field_name*, *format_spec*, *conversion*). This is used
- by :meth:`vformat` to break the string in to either literal text, or
+ by :meth:`vformat` to break the string into either literal text, or
replacement fields.
The values in the tuple conceptually represent a span of literal text