diff --git a/docs/Writing-the-Cyclone-Scheme-Compiler-Revised-2017.md b/docs/Writing-the-Cyclone-Scheme-Compiler-Revised-2017.md
index 50c71f9b..66a8303b 100644
--- a/docs/Writing-the-Cyclone-Scheme-Compiler-Revised-2017.md
+++ b/docs/Writing-the-Cyclone-Scheme-Compiler-Revised-2017.md
@@ -407,7 +407,7 @@ The interpreter's full implementation is available in the `(scheme eval)` librar
 
 ### Compiler Internals
 
-Most of the Cyclone compiler is implemented in Scheme as [a series of libraries](API.md#cyclone-compiler-api).
+Most of the Cyclone compiler is implemented in Scheme as [a series of libraries](API.html#cyclone-compiler-api).
 
 ## Scheme Standards