diff --git a/data/core.yaml b/data/core.yaml
index 737891e13..9b3f2584b 100644
--- a/data/core.yaml
+++ b/data/core.yaml
@@ -172,7 +172,7 @@ en:
     tooltip: "Redo: {action}"
     nothing: Nothing to redo.
   tooltip_keyhint: "Shortcut:"
-  browser_notice: "This editor is supported in Firefox, Chrome, Safari, Opera, and Internet Explorer 9 and above. Please upgrade your browser or use Potlatch 2 to edit the map."
+  browser_notice: "This editor is supported in Firefox, Chrome, Safari, Opera, and Internet Explorer 11 and above. Please upgrade your browser or use Potlatch 2 to edit the map."
   translate:
     translate: Translate
     localized_translation_label: Multilingual name