diff --git a/api/js/etemplate/et2_widget_description.js b/api/js/etemplate/et2_widget_description.js
index b2ded1fa79..83cfa4f299 100644
--- a/api/js/etemplate/et2_widget_description.js
+++ b/api/js/etemplate/et2_widget_description.js
@@ -99,6 +99,12 @@ var et2_description = (function(){ "use strict"; return expose(et2_baseWidget.ex
 			"type": "js",
 			"default": et2_no_init,
 			"description": "JS code which is executed when clicking on action button. This action is explicitly for attached nodes, like in nm."
+		},
+		hover_action_title: {
+			"name": "hover action title",
+			"type": "string",
+			"default": "Edit",
+			"description": "Text to show as tooltip of defined action"
 		}
 
 	},
@@ -383,7 +389,7 @@ var et2_description = (function(){ "use strict"; return expose(et2_baseWidget.ex
 					tooltipClass: "et2_email_popup",
 					content: function()
 					{
-						return jQuery('<a href="#" class= "et2_url_email_contactPlus" title="'+egw.lang('Edit')+'"><img src="'
+						return jQuery('<a href="#" class= "et2_url_email_contactPlus" title="'+egw.lang(widget.options.hover_action_title)+'"><img src="'
 								+egw.image("edit") +'"/></a>')
 							.on('click', function() {
 								widget.options.hover_action.call(self, self.widget, content);
diff --git a/mail/templates/default/index.xet b/mail/templates/default/index.xet
index 5a83f1417b..6554c3c83e 100644
--- a/mail/templates/default/index.xet
+++ b/mail/templates/default/index.xet
@@ -19,7 +19,7 @@
 				</hbox>
 				<hbox id="mailPreviewHeadersSubject" class="mailPreviewHeaders">
 					<description value="Subject"/>
-					<description align="left" id="previewSubject" readonly="true" hover_action="app.mail.modifyMessageSubjectDialog"/>
+					<description align="left" id="previewSubject" readonly="true" hover_action="app.mail.modifyMessageSubjectDialog" hover_action_title="Modify subject of this message"/>
 				</hbox>
 				<hbox id="mailPreviewHeadersDate" class="mailPreviewHeaders">
 					<description value="Date"/>