diff --git a/app/assets/images/fb-image.png b/app/assets/images/fb-image.png
new file mode 100644
index 000000000..c7b41f822
Binary files /dev/null and b/app/assets/images/fb-image.png differ
diff --git a/app/helpers/facebook_helper.rb b/app/helpers/facebook_helper.rb
index 063765683..25eeb607e 100644
--- a/app/helpers/facebook_helper.rb
+++ b/app/helpers/facebook_helper.rb
@@ -4,7 +4,7 @@ module FacebookHelper
   def facebook_meta_image
     resource         = get_resource
     @fb_meta_image ||= avatar_url(resource, :big) if resource.respond_to?(:avatar)
-    @fb_meta_image ||= asset_url('logo-mini.png')
+    @fb_meta_image ||= asset_url('fb-image.png')
 
     @fb_meta_image
   end
diff --git a/app/views/pages/tos.html.haml b/app/views/pages/tos.html.haml
index 95650925a..106b6241f 100644
--- a/app/views/pages/tos.html.haml
+++ b/app/views/pages/tos.html.haml
@@ -1,3 +1,5 @@
+- set_meta_tags og: { description: 'Terms of Service' }
+
 - render 'tos_sidebar'
 
 .tos
diff --git a/app/views/pages/tour/abf-tour-project-description-1.html.slim b/app/views/pages/tour/abf-tour-project-description-1.html.slim
index e4a7d80ab..8708f093b 100644
--- a/app/views/pages/tour/abf-tour-project-description-1.html.slim
+++ b/app/views/pages/tour/abf-tour-project-description-1.html.slim
@@ -1,3 +1,5 @@
+- set_meta_tags og: { description: t('tour.meta_description') }
+
 .row
   .col-md-8.col-md-offset-2
     .row
diff --git a/app/views/pages/tour/tour-inside.html.slim b/app/views/pages/tour/tour-inside.html.slim
index 7a906800b..acff0ee5f 100644
--- a/app/views/pages/tour/tour-inside.html.slim
+++ b/app/views/pages/tour/tour-inside.html.slim
@@ -1,3 +1,5 @@
+- set_meta_tags og: { description: t('tour.meta_description') }
+
 .row
   .col-md-8.col-md-offset-2
     .row
diff --git a/app/views/projects/issues/show.html.slim b/app/views/projects/issues/show.html.slim
index 7407d2abe..d50888211 100644
--- a/app/views/projects/issues/show.html.slim
+++ b/app/views/projects/issues/show.html.slim
@@ -1,4 +1,7 @@
--set_meta_tags title: [title_object(@project), @issue.title]
+- set_meta_tags title: [title_object(@project), @issue.title]
+- set_meta_tags og: { title:       @issue.title,
+                      description: truncate(@issue.body, length: 255) }
+
 == render 'submenu'
 == render 'projects/comments/markdown_help' if current_user
 
diff --git a/config/locales/tour.en.yml b/config/locales/tour.en.yml
index 3a79d215c..6885af81c 100644
--- a/config/locales/tour.en.yml
+++ b/config/locales/tour.en.yml
@@ -1,5 +1,6 @@
 en:
   tour:
+    meta_description: "A distributed environment to build distributions, supporting all steps from managing source code to create ISO images."
     read_more: more...
     projects: Project Management
     sources: Source Code
diff --git a/config/locales/tour.ru.yml b/config/locales/tour.ru.yml
index 8ae5eff72..31287a6ae 100644
--- a/config/locales/tour.ru.yml
+++ b/config/locales/tour.ru.yml
@@ -1,5 +1,6 @@
 ru:
   tour:
+    meta_description: "Платформа разработки и управления жизненным циклом дистрибутивов: от исходного кода до ISO-образов."
     read_more: Читать далее...
     projects: Управление проектами
     sources: Исходный код