diff --git a/source/_docs/authentication.markdown b/source/_docs/authentication.markdown
index 62a3ad600f6..47e2212187d 100644
--- a/source/_docs/authentication.markdown
+++ b/source/_docs/authentication.markdown
@@ -46,7 +46,7 @@ As an extra level of security, you can turn on [multi-factor authentication](/do
 
 ## Other authentication techniques
 
-Home Assistant provides several ways to authenticate. See the [Auth Providers](/docs/authentication/providers/) section.
+Home Assistant provides several ways to authenticate. See the [Auth providers](/docs/authentication/providers/) section.
 
 ## Troubleshooting
 
diff --git a/source/_includes/asides/common_tasks_navigation.html b/source/_includes/asides/common_tasks_navigation.html
index 16792dda2a6..c3f5fd67dd0 100644
--- a/source/_includes/asides/common_tasks_navigation.html
+++ b/source/_includes/asides/common_tasks_navigation.html
@@ -1,6 +1,6 @@
 <section class="aside-module grid__item one-whole lap-one-half">
   <div class='section'>
-    <h1 class="title delta">Common Tasks</h1>
+    <h1 class="title delta">Common tasks</h1>
     <ul class='divided sidebar-menu'>
       <li>{% active_link /common-tasks/os/ Home Assistant Operating System %}</li>
       <li>{% active_link /common-tasks/container/ Home Assistant Container %}</li>
diff --git a/source/_includes/asides/docs_navigation.html b/source/_includes/asides/docs_navigation.html
index 7b8cc87b7b7..880fb040f0b 100644
--- a/source/_includes/asides/docs_navigation.html
+++ b/source/_includes/asides/docs_navigation.html
@@ -8,10 +8,10 @@
         <b>{% active_link /docs/glossary/ Glossary %}</b>
       </li>
       <li>
-        <b>{% active_link /getting-started Getting Started %}</b>
+        <b>{% active_link /getting-started Getting started %}</b>
         <ul>
           <li>{% active_link /installation Installation %}</li>
-          <li>{% active_link /common-tasks/os/ Common Tasks %}</li>
+          <li>{% active_link /common-tasks/os/ Common tasks %}</li>
           <li>
             {% active_link /docs/troubleshooting/ Troubleshooting
             %}
@@ -34,7 +34,7 @@
             %}
           </li>
           <li>
-            {% active_link /docs/configuration/securing/ Security Check Points
+            {% active_link /docs/configuration/securing/ Security check points
             %}
           </li>
         </ul>
@@ -42,14 +42,14 @@
       <li>
         <b>{% active_link /docs/energy/ Home Energy Management %}</b>
         <ul>
-          <li>{% active_link /docs/energy/electricity-grid/ Electricity Grid %}</li>
-          <li>{% active_link /docs/energy/solar-panels/ Solar Panels %}</li>
-          <li>{% active_link /docs/energy/individual-devices/ Individual Devices %}</li>
+          <li>{% active_link /docs/energy/electricity-grid/ Electricity grid %}</li>
+          <li>{% active_link /docs/energy/solar-panels/ Solar panels %}</li>
+          <li>{% active_link /docs/energy/individual-devices/ Individual devices %}</li>
           <li>{% active_link /docs/energy/faq/ FAQ %}</li>
         </ul>
       </li>
       <li>
-        Advanced Configuration
+        Advanced configuration
         <ul>
           <li>{% active_link /docs/configuration/remote/ Remote access %}</li>
           <li>
@@ -58,7 +58,7 @@
           </li>
           <li>{% active_link /docs/configuration/packages/ Packages %}</li>
           <li>
-            {% active_link /docs/configuration/secrets/ Storing Secrets %}
+            {% active_link /docs/configuration/secrets/ Storing secrets %}
           </li>
           <li>{% active_link /docs/configuration/templating/ Templating %}</li>
           <li>
@@ -71,11 +71,11 @@
         <b>{% active_link /docs/authentication/ Authentication %}</b>
         <ul>
           <li>
-            {% active_link /docs/authentication/providers/ Auth Providers %}
+            {% active_link /docs/authentication/providers/ Auth providers %}
           </li>
           <li>
-            {% active_link /docs/authentication/multi-factor-auth/ Multi Factor
-            Auth %}
+            {% active_link /docs/authentication/multi-factor-auth/ Multi factor
+            auth %}
           </li>
         </ul>
       </li>
@@ -84,20 +84,20 @@
         <ul>
           <li>{% active_link /docs/configuration/events/ Events %}</li>
           <li>
-            {% active_link /docs/configuration/state_object/ State Objects %}
+            {% active_link /docs/configuration/state_object/ State objects %}
           </li>
         </ul>
       </li>
       <li>
         <b>{% active_link /docs/automation/ Automation %}</b>
         <ul>
-          <li>{% active_link /docs/automation/using_blueprints/ Using Automation Blueprints %}</li>
-          <li>{% active_link /docs/automation/basics/ Automation Basics %}</li>
+          <li>{% active_link /docs/automation/using_blueprints/ Using automation blueprints %}</li>
+          <li>{% active_link /docs/automation/basics/ Automation basics %}</li>
           <li>{% active_link /docs/automation/editor/ Editor %}</li>
           <li>{% active_link /docs/automation/trigger/ Triggers %}</li>
           <li>{% active_link /docs/automation/condition/ Conditions %}</li>
           <li>{% active_link /docs/automation/action/ Actions %}</li>
-          <li>{% active_link /docs/automation/modes/ Run Modes %}</li>
+          <li>{% active_link /docs/automation/modes/ Run modes %}</li>
           <li>{% active_link /docs/automation/services/ Services %}</li>
           <li>{% active_link /docs/automation/templating/ Templates %}</li>
           <li>{% active_link /docs/automation/yaml/ YAML %}</li>
@@ -118,7 +118,7 @@
         <b>{% active_link /docs/frontend/ Frontend %}</b>
         <ul>
           <li>
-            {% active_link /docs/frontend/browsers/ Browser Compatibility List %}
+            {% active_link /docs/frontend/browsers/ Browser compatibility list %}
           </li>
           <li>{% active_link /dashboards Dashboards %}</li>
           <li>{% active_link /docs/frontend/icons/ Icons%}</li>
@@ -133,7 +133,7 @@
       <li>
         <b>{% active_link /docs/scripts/ Scripts %}</b>
         <ul>
-          <li>{% active_link /docs/scripts/service-calls/ Service Calls %}</li>
+          <li>{% active_link /docs/scripts/service-calls/ Service calls %}</li>
           <li>{% active_link /docs/scripts/conditions/ Conditions %}</li>
         </ul>
       </li>
@@ -144,10 +144,10 @@
         </ul>
       </li>
       <li>
-        <b>{% active_link /docs/tools/ Tools and Helpers %}</b>
+        <b>{% active_link /docs/tools/ Tools and helpers %}</b>
         <ul>
-          <li>{% active_link /docs/tools/dev-tools/ Developer Tools %}</li>
-          <li>{% active_link /docs/tools/quick-bar/ Quick Bar %}</li>
+          <li>{% active_link /docs/tools/dev-tools/ Developer tools %}</li>
+          <li>{% active_link /docs/tools/quick-bar/ Quick bar %}</li>
           <li>{% active_link /docs/tools/hass/ hass %}</li>
           <li>{% active_link /docs/tools/check_config/ check_config %}</li>
         </ul>
diff --git a/source/_includes/asides/getting_started_navigation.html b/source/_includes/asides/getting_started_navigation.html
index 6470455cbb3..687c7e45665 100644
--- a/source/_includes/asides/getting_started_navigation.html
+++ b/source/_includes/asides/getting_started_navigation.html
@@ -1,6 +1,6 @@
 <section class="aside-module grid__item one-whole lap-one-half">
   <div class="section">
-    <h1 class="title delta">Getting Started</h1>
+    <h1 class="title delta">Getting started</h1>
     <ul class="divided sidebar-menu">
       <li>{% active_link /installation/ Installation %}</li>
       <li>{% active_link /getting-started/onboarding/ Onboarding %}</li>
@@ -17,7 +17,7 @@
         %}
       </li>
       <li>
-        {% active_link /getting-started/configuration/ Advanced Configuration %}
+        {% active_link /getting-started/configuration/ Advanced configuration %}
       </li>
     </ul>
   </div>
diff --git a/source/common-tasks/container.markdown b/source/common-tasks/container.markdown
index 1419aa72931..18464daa94c 100644
--- a/source/common-tasks/container.markdown
+++ b/source/common-tasks/container.markdown
@@ -1,5 +1,5 @@
 ---
-title: "Common Tasks - Container"
+title: "Common tasks - Container"
 description: "Common tasks for Home Assistant Container"
 installation: container
 ---
diff --git a/source/common-tasks/core.markdown b/source/common-tasks/core.markdown
index 21403eaf930..04066e649f2 100644
--- a/source/common-tasks/core.markdown
+++ b/source/common-tasks/core.markdown
@@ -1,5 +1,5 @@
 ---
-title: "Common Tasks - Core"
+title: "Common tasks - Core"
 description: "Common tasks for Home Assistant Core"
 installation: core
 ---
diff --git a/source/common-tasks/os.markdown b/source/common-tasks/os.markdown
index 550a6b6345c..73be58794e5 100644
--- a/source/common-tasks/os.markdown
+++ b/source/common-tasks/os.markdown
@@ -1,5 +1,5 @@
 ---
-title: "Common Tasks - Operating System"
+title: "Common tasks - Operating System"
 description: "Common tasks for Home Assistant Operating System"
 installation: os
 installation_name: "Operating System"
diff --git a/source/common-tasks/supervised.markdown b/source/common-tasks/supervised.markdown
index f5f816d19eb..23adfe85603 100644
--- a/source/common-tasks/supervised.markdown
+++ b/source/common-tasks/supervised.markdown
@@ -1,5 +1,5 @@
 ---
-title: "Common Tasks - Supervised"
+title: "Common tasks - Supervised"
 description: "Common tasks for Home Assistant Supervised"
 installation: supervised
 installation_name: Supervised