diff --git a/doc/index.md b/doc/index.md
index 5a6a752..04f0f4c 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -1,3 +1,3 @@
 # Index of IRC protocol documentation.
 
-1. [Formatting of socket](formatting.md)
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+* [Formatting of socket](formatting.md)
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