diff --git a/src/ameba/config.cr b/src/ameba/config.cr
index c6c0c188..cbb9d016 100644
--- a/src/ameba/config.cr
+++ b/src/ameba/config.cr
@@ -80,7 +80,7 @@ class Ameba::Config
     Formatter::DotFormatter.new
   end
 
-  # :no_doc:
+  # :nodoc:
   module Rule
     macro properties(&block)
       {% definitions = [] of NamedTuple %}