1 files changed, 4 insertions, 0 deletions

diff --git a/18.md b/18.md
index 4a71007..2b36007 100644
--- a/18.md
+++ b/18.md
@@ -173,3 +173,7 @@
 ### State diagram to detect 101
 
 ![diagram](18.15.png)
+
+---
+
+[Multiple control outputs ->](19.md)