diff --git a/app/views/admin/users/index.html.haml b/app/views/admin/users/index.html.haml
index b8a1822444..f2fa5ea91c 100644
--- a/app/views/admin/users/index.html.haml
+++ b/app/views/admin/users/index.html.haml
@@ -22,7 +22,7 @@
       = form_tag admin_users_path, method: :get, class: 'form-inline' do
         .form-group
           = search_field_tag :name, params[:name], placeholder: 'Name, email or username', class: 'form-control'
-        = button_tag type: 'submit', class: 'btn btn-primary' do
+        = button_tag class: 'btn btn-primary' do
           %i.icon-search
       %hr
       = link_to 'Reset', admin_users_path, class: "btn btn-cancel"
diff --git a/app/views/projects/network/show.html.haml b/app/views/projects/network/show.html.haml
index f8206936e6..52a66f64d9 100644
--- a/app/views/projects/network/show.html.haml
+++ b/app/views/projects/network/show.html.haml
@@ -3,7 +3,7 @@
   .controls
     = form_tag project_network_path(@project, @id), method: :get, class: 'form-inline network-form' do |f|
       = text_field_tag :extended_sha1, @options[:extended_sha1], placeholder: "Input an extended SHA1 syntax", class: 'search-input form-control input-mx-250 search-sha'
-      = button_tag type: 'submit', class: 'btn btn-success btn-search-sha' do
+      = button_tag class: 'btn btn-success btn-search-sha' do
         %i.icon-search
       .inline.prepend-left-20
         .checkbox.light
diff --git a/db/fixtures/production/001_admin.rb b/db/fixtures/production/001_admin.rb
index 21c10f3192..f84d090391 100644
--- a/db/fixtures/production/001_admin.rb
+++ b/db/fixtures/production/001_admin.rb
@@ -1,4 +1,4 @@
-password = if ENV['GITLAB_ROOT_PASSWORD'].nil? || ENV['GITLAB_ROOT_PASSWORD'].empty?
+password = if ENV['GITLAB_ROOT_PASSWORD'].blank?
              "5iveL!fe"
            else
              ENV['GITLAB_ROOT_PASSWORD']
diff --git a/doc/install/installation.md b/doc/install/installation.md
index 4fffe6c348..c39a83dea1 100644
--- a/doc/install/installation.md
+++ b/doc/install/installation.md
@@ -343,7 +343,7 @@ Validate your `gitlab` or `gitlab-ssl` Nginx config file with the following comm
 
     sudo nginx -t
 
-You should receive `syntax is okay` and `test is successful` messages. If you receive errors check your `gitlab` or `gitlab-ssl` Nginx config file for typos, etc. as indiciated in the error message given.
+You should receive `syntax is okay` and `test is successful` messages. If you receive errors check your `gitlab` or `gitlab-ssl` Nginx config file for typos, etc. as indicated in the error message given.
 
 ### Restart