diff --git a/bar.nix b/bar.nix
index 7ebb832..efb7c17 100644
--- a/bar.nix
+++ b/bar.nix
@@ -96,6 +96,8 @@
             activated = "󰈈";
             deactivated = "󰈉";
           };
+          tooltip-format-activated = "Lock when inactive is currently ON";
+          tooltip-format-deactivated = "Lock when inactive is currently OFF";
         };
 
         bluetooth = {