Update runtime files.
diff --git a/runtime/doc/tabpage.txt b/runtime/doc/tabpage.txt
index 1d3365c..57224f6 100644
--- a/runtime/doc/tabpage.txt
+++ b/runtime/doc/tabpage.txt
@@ -243,7 +243,7 @@
 		Move the current tab page to after tab page N.  Use zero to
 		make the current tab page the first one.  N is counted before
 		the move, thus if the second tab is the current one,
-		`:tabmove 1`` and `:tabmove 2`  have no effect.
+		`:tabmove 1` and `:tabmove 2`  have no effect.
 		Without N the tab page is made the last one. >
 		    :.tabmove	" do nothing
 		    :-tabmove	" move the tab page to the left