diff --git a/app/views/events/_event_last_push.html.haml b/app/views/events/_event_last_push.html.haml
index a1a282178e7..1584695a62b 100644
--- a/app/views/events/_event_last_push.html.haml
+++ b/app/views/events/_event_last_push.html.haml
@@ -10,5 +10,5 @@
         #{time_ago_with_tooltip(event.created_at)}
 
       .pull-right
-        = link_to new_mr_path_from_push_event(event), title: "New Merge Request", class: "btn btn-info btn-sm" do
-          Create Merge Request
+        = link_to new_mr_path_from_push_event(event), title: "New merge request", class: "btn btn-info btn-sm" do
+          Create merge request
diff --git a/app/views/help/ui.html.haml b/app/views/help/ui.html.haml
index 1fb2c6271ad..207f80bedfe 100644
--- a/app/views/help/ui.html.haml
+++ b/app/views/help/ui.html.haml
@@ -225,7 +225,7 @@
         %ul.dropdown-menu
           %li
             %a{ href: "#" }
-              Dropdown Option
+              Dropdown option
       .dropdown.inline.pull-right
         %button.dropdown-menu-toggle{ type: 'button', data: { toggle: 'dropdown' } }
           Dropdown
@@ -233,7 +233,7 @@
         %ul.dropdown-menu.dropdown-menu-align-right
           %li
             %a{ href: "#" }
-              Dropdown Option
+              Dropdown option
   .example
     %div
       .dropdown.inline
@@ -243,7 +243,7 @@
         %ul.dropdown-menu.dropdown-menu-selectable
           %li
             %a.is-active{ href: "#" }
-              Dropdown Option
+              Dropdown option
   .example
     %div
       .dropdown.inline
@@ -262,26 +262,26 @@
             %ul
               %li
                 %a.is-active{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li.divider
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
           .dropdown-footer
             %strong Tip:
             If an author is not a member of this project, you can still filter by his name while using the search field.
@@ -301,26 +301,26 @@
             %ul
               %li
                 %a.is-active{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li.divider
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
               %li
                 %a{ href: "#" }
-                  Dropdown Option
+                  Dropdown option
           .dropdown-footer
             %strong Tip:
             If an author is not a member of this project, you can still filter by his name while using the search field.
diff --git a/app/views/import/github/new.html.haml b/app/views/import/github/new.html.haml
index 4c6af0b7908..9c2da3a3eec 100644
--- a/app/views/import/github/new.html.haml
+++ b/app/views/import/github/new.html.haml
@@ -9,7 +9,7 @@
     To import a GitHub project, you first need to authorize GitLab to access
     the list of your GitHub repositories:
 
-  = link_to 'List Your GitHub Repositories', status_import_github_path, class: 'btn btn-success'
+  = link_to 'List your GitHub repositories', status_import_github_path, class: 'btn btn-success'
 
   %hr
 
@@ -28,7 +28,7 @@
 = form_tag personal_access_token_import_github_path, method: :post, class: 'form-inline' do
   .form-group
     = text_field_tag :personal_access_token, '', class: 'form-control', placeholder: "Personal Access Token", size: 40
-    = submit_tag 'List Your GitHub Repositories', class: 'btn btn-success'
+    = submit_tag 'List your GitHub repositories', class: 'btn btn-success'
 
 - unless github_import_configured?
   %hr
diff --git a/app/views/layouts/header/_default.html.haml b/app/views/layouts/header/_default.html.haml
index 23abf6897d4..7408fe3f6d0 100644
--- a/app/views/layouts/header/_default.html.haml
+++ b/app/views/layouts/header/_default.html.haml
@@ -29,11 +29,11 @@
           - if current_user
             - if session[:impersonator_id]
               %li.impersonation
-                = link_to admin_impersonation_path, method: :delete, title: "Stop Impersonation", aria: { label: 'Stop Impersonation' }, data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
+                = link_to admin_impersonation_path, method: :delete, title: "Stop impersonation", aria: { label: 'Stop impersonation' }, data: { toggle: 'tooltip', placement: 'bottom', container: 'body' } do
                   = icon('user-secret fw')
             - if current_user.is_admin?
               %li
-                = link_to admin_root_path, title: 'Admin Area', aria: { label: "Admin Area" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+                = link_to admin_root_path, title: 'Admin area', aria: { label: "Admin area" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
                   = icon('wrench fw')
             - if current_user.can_create_project?
               %li
diff --git a/app/views/profiles/accounts/show.html.haml b/app/views/profiles/accounts/show.html.haml
index 5ce2220c907..d843cacd52d 100644
--- a/app/views/profiles/accounts/show.html.haml
+++ b/app/views/profiles/accounts/show.html.haml
@@ -49,14 +49,14 @@
     %p
       Status: #{current_user.two_factor_enabled? ? 'Enabled' : 'Disabled'}
     - if current_user.two_factor_enabled?
-      = link_to 'Manage Two-Factor Authentication', profile_two_factor_auth_path, class: 'btn btn-info'
+      = link_to 'Manage two-factor authentication', profile_two_factor_auth_path, class: 'btn btn-info'
       = link_to 'Disable', profile_two_factor_auth_path,
                 method: :delete,
                 data: { confirm: "Are you sure? This will invalidate your registered applications and U2F devices." },
                 class: 'btn btn-danger'
     - else
       .append-bottom-10
-        = link_to 'Enable Two-Factor Authentication', profile_two_factor_auth_path, class: 'btn btn-success'
+        = link_to 'Enable two-factor authentication', profile_two_factor_auth_path, class: 'btn btn-success'
 
 %hr
 - if button_based_providers.any?
diff --git a/app/views/profiles/emails/index.html.haml b/app/views/profiles/emails/index.html.haml
index dc499be885b..f5a323dbaf8 100644
--- a/app/views/profiles/emails/index.html.haml
+++ b/app/views/profiles/emails/index.html.haml
@@ -33,17 +33,17 @@
       %li
         = @primary
         %span.pull-right
-          %span.label.label-success Primary Email
+          %span.label.label-success Primary email
           - if @primary === current_user.public_email
-            %span.label.label-info Public Email
+            %span.label.label-info Public email
           - if @primary === current_user.notification_email
-            %span.label.label-info Notification Email
+            %span.label.label-info Notification email
       - @emails.each do |email|
         %li
           = email.email
           %span.pull-right
             - if email.email === current_user.public_email
-              %span.label.label-info Public Email
+              %span.label.label-info Public email
             - if email.email === current_user.notification_email
-              %span.label.label-info Notification Email
+              %span.label.label-info Notification email
             = link_to 'Remove', profile_email_path(email), data: { confirm: 'Are you sure?'}, method: :delete, class: 'btn btn-sm btn-warning prepend-left-10'
diff --git a/app/views/profiles/two_factor_auths/show.html.haml b/app/views/profiles/two_factor_auths/show.html.haml
index 7ade5f00d47..0ff05098cd7 100644
--- a/app/views/profiles/two_factor_auths/show.html.haml
+++ b/app/views/profiles/two_factor_auths/show.html.haml
@@ -44,7 +44,7 @@
           = label_tag :pin_code, nil, class: "label-light"
           = text_field_tag :pin_code, nil, class: "form-control", required: true
         .prepend-top-default
-          = submit_tag 'Register with Two-Factor App', class: 'btn btn-success'
+          = submit_tag 'Register with two-factor app', class: 'btn btn-success'
 
 %hr
 
diff --git a/app/views/shared/_personal_access_tokens_form.html.haml b/app/views/shared/_personal_access_tokens_form.html.haml
index af4cc90f4a7..1a445db2dc0 100644
--- a/app/views/shared/_personal_access_tokens_form.html.haml
+++ b/app/views/shared/_personal_access_tokens_form.html.haml
@@ -1,4 +1,4 @@
-- type = impersonation ? "Impersonation" : "Personal Access"
+- type = impersonation ? "impersonation" : "personal Access"
 
 %h5.prepend-top-0
   Add a #{type} Token
@@ -22,7 +22,7 @@
     = render 'shared/tokens/scopes_form', prefix: 'personal_access_token', token: token, scopes: scopes
 
   .prepend-top-default
-    = f.submit "Create #{type} Token", class: "btn btn-create"
+    = f.submit "Create #{type} token", class: "btn btn-create"
 
 :javascript
   var $dateField = $('.datepicker');
diff --git a/app/views/u2f/_register.html.haml b/app/views/u2f/_register.html.haml
index adc07bcba73..54fabfc4909 100644
--- a/app/views/u2f/_register.html.haml
+++ b/app/views/u2f/_register.html.haml
@@ -7,13 +7,13 @@
   - if current_user.two_factor_otp_enabled?
     .row.append-bottom-10
       .col-md-3
-        %button#js-setup-u2f-device.btn.btn-info Setup New U2F Device
+        %button#js-setup-u2f-device.btn.btn-info Setup new U2F device
       .col-md-9
         %p Your U2F device needs to be set up. Plug it in (if not already) and click the button on the left.
   - else
     .row.append-bottom-10
       .col-md-3
-        %button#js-setup-u2f-device.btn.btn-info{ disabled: true } Setup New U2F Device
+        %button#js-setup-u2f-device.btn.btn-info{ disabled: true } Setup new U2F device
       .col-md-9
         %p.text-warning You need to register a two-factor authentication app before you can set up a U2F device.