diff --git a/runtime/doc/vimdiff.1 b/runtime/doc/vimdiff.1
index 079aeed..90ed8b8 100644
--- a/runtime/doc/vimdiff.1
+++ b/runtime/doc/vimdiff.1
@@ -33,7 +33,7 @@
 folds and open or close them.
 .SH OPTIONS
 Vertical splits are used to align the lines, as if the "\-O" argument was used.
-To use horizontal splits intead, use the "\-o" argument.
+To use horizontal splits instead, use the "\-o" argument.
 .PP
 For all other arguments see vim(1).
 .SH SEE ALSO