diff --git a/Cesium.Preprocessor/CPreprocessorParser.cs b/Cesium.Preprocessor/CPreprocessorParser.cs
index 9c817567..bbfaf738 100644
--- a/Cesium.Preprocessor/CPreprocessorParser.cs
+++ b/Cesium.Preprocessor/CPreprocessorParser.cs
@@ -582,7 +582,7 @@ private ParseResult<ICPreprocessorToken> ParseNewLine()
     //  pp-parameter
     //  embed-parameter-sequence pp-parameter
 
-    // TODO: 6.10.1 Conditional inclusion
+    // TODO[#77]: 6.10.1 Conditional inclusion
     // - __has_include
     // - __has_embed
     // - __has_c_attribute