diff --git a/README.md b/README.md
index ef6832ee..0438040e 100644
--- a/README.md
+++ b/README.md
@@ -300,7 +300,7 @@ You can use factoids as variables and interpolate them within commands.
     <pragma-> !echo greeting is $greeting
        <PBot> greeting is Hello, world
 
-PBot `$variable` interpolation supports [expansion modifiers](doc/Factoids#expansion-modifiers), which can be chained to
+PBot variable interpolation supports [expansion modifiers](doc/Factoids.md#expansion-modifiers), which can be chained to
 combine their effects.
 
     <pragma-> !echo $greeting:uc