diff --git a/30-double-inverse-multiplexer/README.md b/30-double-inverse-multiplexer/README.md
index 1315dcb..d93e7d9 100644
--- a/30-double-inverse-multiplexer/README.md
+++ b/30-double-inverse-multiplexer/README.md
@@ -1,4 +1,4 @@
-Style #13
+Style #30
 ==============================
 
 Very similar to style #12, but with an additional twist