Make the references to features in the help more consistent. (Sylvain Hitier)
diff --git a/runtime/doc/digraph.txt b/runtime/doc/digraph.txt
index 0f3afff..373671e 100644
--- a/runtime/doc/digraph.txt
+++ b/runtime/doc/digraph.txt
@@ -57,8 +57,8 @@
"10". That's because NUL characters are internally represented with a NL
character. When you write the file it will become a NUL character.
-When Vim was compiled without the +multi_byte feature, you need to specify the
-character in the encoding given with 'encoding'. You might want to use
+When Vim was compiled without the |+multi_byte| feature, you need to specify
+the character in the encoding given with 'encoding'. You might want to use
something like this: >
if has("multi_byte")