diff --git a/perception.html b/perception.html
index ba5918f..a5fef1a 100644
--- a/perception.html
+++ b/perception.html
@@ -455,7 +455,7 @@ flowchart TD
     HIDDEN: {
       label: 'Hidden',
       cssClass: 'hidden',
-      effects: 'Opponents know your general location but not your exact square. You are <strong>off-guard</strong> to them. They need a DC&nbsp;11 flat check to affect you.',
+      effects: 'Opponents know your general location but not your exact square. They are <strong>off-guard</strong> to you. They need a DC&nbsp;11 flat check to affect you.',
     },
     UNDETECTED: {
       label: 'Undetected',