diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7553845..a1fbc67 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
   - mmark: 0.0.7.2
   - megaparsec: 0.8
   - clay: 0.14
+- MMark
+  - Remove `ghcSyntaxHighlighter` extension; we already have `skylighting` (which supports more parsers than Haskell)
 
 ## 0.6.0.0
 
diff --git a/src/Rib/Parser/MMark.hs b/src/Rib/Parser/MMark.hs
index 8e48858..8345286 100644
--- a/src/Rib/Parser/MMark.hs
+++ b/src/Rib/Parser/MMark.hs
@@ -83,7 +83,8 @@ exts =
     Ext.mathJax (Just '$'),
     Ext.obfuscateEmail "protected-email",
     Ext.punctuationPrettifier,
-    Ext.ghcSyntaxHighlighter,
+    -- For list of parsers supported, see:
+    -- https://github.com/jgm/skylighting/tree/master/skylighting-core/xml
     Ext.skylighting
   ]