diff --git a/README.md b/README.md
index ecb728c8..0b013f4c 100644
--- a/README.md
+++ b/README.md
@@ -125,6 +125,9 @@ use the Gollum File Link Tag.
 
     [[Gollum|gollum.pdf]]
 
+The first part of the tag is the link text. The filename appears after the
+pipe.
+
 
 ## IMAGES