doc: recent typo.

* txr.1: Fix typo introduced during recent work related to
txr-case. aspell caught this but I overwrote the fix with a
stale edit buffer.

1 files changed, 1 insertions, 1 deletions

diff --git a/txr.1 b/txr.1
index ac6edd06..a6934157 100644
--- a/txr.1
+++ b/txr.1
@@ -71435,7 +71435,7 @@ parameter, whose semantics are the same as the
 .meta input
 argument of the
 .code match-fun
-funtion.
+function.
 
 If
 .meta name