diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2e5ffed..9e1ee24 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -42,6 +42,7 @@
Draw the letter \"W\"
Draw the letter \"Z\"
Single tap
+ Double tap
Swipe up with the stylus