diff --git a/config/configuration.yml.example b/config/configuration.yml.example
index 4e8444ca9..e37f38745 100644
--- a/config/configuration.yml.example
+++ b/config/configuration.yml.example
@@ -22,7 +22,7 @@ default:
   #      address: "localhost"
   #      port: 25
   #
-  # ==== SMTP server at example.com using LOGIN authentication and checking HELO for foo.com
+  # ==== SMTP server at example.com using LOGIN authentication and checking HELO for example.com
   #
   #  email_delivery:
   #    delivery_method: :smtp
@@ -30,7 +30,7 @@ default:
   #      address: "example.com"
   #      port: 25
   #      authentication: :login
-  #      domain: 'foo.com'
+  #      domain: 'example.com'
   #      user_name: 'myaccount'
   #      password: 'password'
   #
diff --git a/test/unit/lib/redmine/wiki_formatting/common_mark/sanitization_filter_test.rb b/test/unit/lib/redmine/wiki_formatting/common_mark/sanitization_filter_test.rb
index 0e428a3de..22afc3353 100644
--- a/test/unit/lib/redmine/wiki_formatting/common_mark/sanitization_filter_test.rb
+++ b/test/unit/lib/redmine/wiki_formatting/common_mark/sanitization_filter_test.rb
@@ -130,11 +130,11 @@ if Object.const_defined?(:Commonmarker)
         '<img src="photo.jpg" style="min-width: 100px; max-width: 200px; min-height: 100px; max-height: 200px;">'
       ],
       [
-        '<b>Lo<!-- comment -->rem</b> <a href="pants" title="foo" style="text-decoration: underline;">ipsum</a> <a href="http://foo.com/"><strong>dolor</strong></a> sit<br/>amet <style>.foo { color: #fff; }</style> <script>alert("hello world");</script>',
-        '<b>Lorem</b> <a href="pants" title="foo">ipsum</a> <a href="http://foo.com/"><strong>dolor</strong></a> sit<br>amet .foo { color: #fff; } '
+        '<b>Lo<!-- comment -->rem</b> <a href="pants" title="foo" style="text-decoration: underline;">ipsum</a> <a href="http://example.com/"><strong>dolor</strong></a> sit<br/>amet <style>.foo { color: #fff; }</style> <script>alert("hello world");</script>',
+        '<b>Lorem</b> <a href="pants" title="foo">ipsum</a> <a href="http://example.com/"><strong>dolor</strong></a> sit<br>amet .foo { color: #fff; } '
       ],
       [
-        'Lo<!-- comment -->rem</b> <a href=pants title="foo>ipsum <a href="http://foo.com/"><strong>dolor</a></strong> sit<br/>amet <script>alert("hello world");',
+        'Lo<!-- comment -->rem</b> <a href=pants title="foo>ipsum <a href="http://example.com/"><strong>dolor</a></strong> sit<br/>amet <script>alert("hello world");',
         'Lorem <a href="pants" title="foo>ipsum <a href="><strong>dolor</strong></a> sit<br>amet '
       ],
       [
@@ -142,8 +142,8 @@ if Object.const_defined?(:Commonmarker)
         '<p>a</p><blockquote>b</blockquote>'
       ],
       [
-        '<b>Lo<!-- comment -->rem</b> <a href="javascript:pants" title="foo">ipsum</a> <a href="http://foo.com/"><strong>dolor</strong></a> sit<br/>amet <<foo>script>alert("hello world");</script>',
-        '<b>Lorem</b> <a title="foo">ipsum</a> <a href="http://foo.com/"><strong>dolor</strong></a> sit<br>amet &lt;script&gt;alert("hello world");'
+        '<b>Lo<!-- comment -->rem</b> <a href="javascript:pants" title="foo">ipsum</a> <a href="http://example.com/"><strong>dolor</strong></a> sit<br/>amet <<foo>script>alert("hello world");</script>',
+        '<b>Lorem</b> <a title="foo">ipsum</a> <a href="http://example.com/"><strong>dolor</strong></a> sit<br>amet &lt;script&gt;alert("hello world");'
       ]
     ]
     # rubocop:enable Layout/LineLength