Fix typo.
diff --git a/Plan9.md b/Plan9.md
index 192baad..bff022a 100644
--- a/Plan9.md
+++ b/Plan9.md
@@ -33,7 +33,7 @@
* [9-tcp-close](http://9legacy.org/9legacy/patch/9-tcp-close.diff)
-A fix to Fossil is required to increment Qid.vers after a wstat, so a truncate followed by an read will return the content of the new file instead of the cached content.
+A fix to Fossil is required to increment Qid.vers after a wstat, so a truncate followed by a read will return the content of the new file instead of the cached content.
* [fossil-wstat-qid](http://9legacy.org/9legacy/patch/fossil-wstat-qid.diff)
