diff --git a/31-double-inverse-multiplexer/README.md b/31-double-inverse-multiplexer/README.md
index 8c29bda..85047dc 100644
--- a/31-double-inverse-multiplexer/README.md
+++ b/31-double-inverse-multiplexer/README.md
@@ -1,4 +1,4 @@
-Style #30
+Style #31
 ==============================
 
 Very similar to style #29, but with an additional twist