diff --git a/XenModel/XenAPI/FriendlyErrorNames.resx b/XenModel/XenAPI/FriendlyErrorNames.resx
index dcd1e8562..1cdc026c7 100644
--- a/XenModel/XenAPI/FriendlyErrorNames.resx
+++ b/XenModel/XenAPI/FriendlyErrorNames.resx
@@ -709,7 +709,7 @@
     <value>The specified patch is applied and cannot be destroyed.</value>
   </data>
   <data name="PATCH_PRECHECK_FAILED_ISO_MOUNTED" xml:space="preserve">
-    <value>XenServer Tools ISO must be ejected from all running VMs.</value>
+    <value>XenServer Tools ISO must be ejected from all running VMs in the pool.</value>
   </data>
   <data name="PATCH_PRECHECK_FAILED_OUT_OF_SPACE" xml:space="preserve">
     <value>The patch precheck stage failed: the server does not have enough space.</value>