Update edit.html.haml

app/views/users/edit.html.haml

@@ -8,6 +8,7 @@
       = semantic_form_for(@user, url: user_path(@user.id)) do |f|
         = f.input :name, as: :string
         = f.input :nickname, as: :string
+        = link_to 'Change your avatar here', 'https://secure.gravatar.com'
         = f.input :affiliation, as: :string,
           hint: 'This could be a company, a user group, or nothing at all.'
         = f.input :biography,  input_html: { rows: 5, 'onkeyup' => "word_count(this, 'biography-count', 150)" }