#11565: Fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Modules/_io/stringio.c b/Modules/_io/stringio.c
index 1761a25..cf0f8b1 100644
--- a/Modules/_io/stringio.c
+++ b/Modules/_io/stringio.c
@@ -157,7 +157,7 @@
           0   lo      string_size                           hi
           |   |<---used--->|<----------available----------->|
           |   |            <--to pad-->|<---to write--->    |
-          0   buf                   positon
+          0   buf                   position
 
         */
         memset(self->buf + self->string_size, '\0',