[extensions-web] extension-detail: added titles to control buttons

[Yuri Konotopov <ykonotopov src gnome org>]

commit bff1341b2ad77293a3f7f6c6119e12233d79a748
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Fri Mar 23 20:02:23 2018 +0400

    extension-detail: added titles to control buttons

 .../extensions/templates/extensions/detail.html    |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/sweettooth/extensions/templates/extensions/detail.html 
b/sweettooth/extensions/templates/extensions/detail.html
index ca125d3..db592ee 100644
--- a/sweettooth/extensions/templates/extensions/detail.html
+++ b/sweettooth/extensions/templates/extensions/detail.html
@@ -20,8 +20,8 @@
       <div class="controls col-xs-12 col-sm-4 col-md-4 col-lg-4">
         <div class="switch"></div>
         <div class="extra-buttons">
-          <div class="upgrade-button"></div>
-          <div class="configure-button"></div>
+          <div class="upgrade-button" title="Upgrade this extension"></div>
+          <div class="configure-button" title="Configure this extension"></div>
         </div>
       </div>