diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/analytics/constants.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/analytics/constants.ts
index 24cd1453db141..51ae11ad2ab82 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/analytics/constants.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/analytics/constants.ts
@@ -8,20 +8,20 @@ import { i18n } from '@kbn/i18n';
 
 export const TOTAL_DOCUMENTS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.analytics.totalDocuments',
-  { defaultMessage: 'Total Documents' }
+  { defaultMessage: 'Total documents' }
 );
 
 export const TOTAL_API_OPERATIONS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.analytics.totalApiOperations',
-  { defaultMessage: 'Total API Operations' }
+  { defaultMessage: 'Total API operations' }
 );
 
 export const TOTAL_QUERIES = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.analytics.totalQueries',
-  { defaultMessage: 'Total Queries' }
+  { defaultMessage: 'Total queries' }
 );
 
 export const TOTAL_CLICKS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.analytics.totalClicks',
-  { defaultMessage: 'Total Clicks' }
+  { defaultMessage: 'Total clicks' }
 );
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/api_logs/constants.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/api_logs/constants.ts
index 9778e02925547..6fd60b7a34ebc 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/api_logs/constants.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/api_logs/constants.ts
@@ -8,5 +8,5 @@ import { i18n } from '@kbn/i18n';
 
 export const RECENT_API_EVENTS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.apiLogs.recent',
-  { defaultMessage: 'Recent API Events' }
+  { defaultMessage: 'Recent API events' }
 );
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/document_creation/constants.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/document_creation/constants.tsx
index fde88efb53d67..736ef09fa6cf3 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/document_creation/constants.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/document_creation/constants.tsx
@@ -15,13 +15,13 @@ import { DOCS_PREFIX } from '../../routes';
 export const DOCUMENT_CREATION_DESCRIPTION = (
   <FormattedMessage
     id="xpack.enterpriseSearch.appSearch.engine.documentCreation.description"
-    defaultMessage="There are three ways to send documents to your Engine for indexing. You can paste raw JSON, upload a {jsonCode} file, or {postCode} to the {documentsApiLink} endpoint. Click on your choice below or see {apiStrong}."
+    defaultMessage="There are three ways to send documents to your engine for indexing. You can paste raw JSON, upload a {jsonCode} file, or {postCode} to the {documentsApiLink} endpoint. Click on your choice below or see {apiStrong}."
     values={{
       jsonCode: <EuiCode>.json</EuiCode>,
       postCode: <EuiCode>POST</EuiCode>,
       documentsApiLink: (
         <EuiLink target="_blank" href={`${DOCS_PREFIX}/indexing-documents-guide.html`}>
-          Documents API
+          documents API
         </EuiLink>
       ),
       apiStrong: <strong>Indexing by API</strong>,
@@ -37,11 +37,11 @@ export const DOCUMENT_API_INDEXING_TITLE = i18n.translate(
 export const DOCUMENT_API_INDEXING_DESCRIPTION = (
   <FormattedMessage
     id="xpack.enterpriseSearch.appSearch.engine.documentCreation.api.description"
-    defaultMessage="The {documentsApiLink} can be used to add new documents to your Engine, update documents, retrieve documents by id, and delete documents. There are a variety of {clientLibrariesLink} to help you get started."
+    defaultMessage="The {documentsApiLink} can be used to add new documents to your engine, update documents, retrieve documents by id, and delete documents. There are a variety of {clientLibrariesLink} to help you get started."
     values={{
       documentsApiLink: (
         <EuiLink target="_blank" href={`${DOCS_PREFIX}/indexing-documents-guide.html`}>
-          Documents API
+          documents API
         </EuiLink>
       ),
       clientLibrariesLink: (
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/recent_api_logs.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/recent_api_logs.test.tsx
index 54b65cefb82c0..725c89894b80b 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/recent_api_logs.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/recent_api_logs.test.tsx
@@ -25,7 +25,7 @@ describe('RecentApiLogs', () => {
   });
 
   it('renders the recent API logs table', () => {
-    expect(wrapper.find('h2').text()).toEqual('Recent API Events');
+    expect(wrapper.find('h2').text()).toEqual('Recent API events');
     expect(wrapper.find(EuiButton).prop('to')).toEqual('/engines/some-engine/api-logs');
     // TODO: expect(wrapper.find(ApiLogsTable)).toHaveLength(1)
   });
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_charts.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_charts.test.tsx
index 87e02b7447768..a56b41dfb0503 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_charts.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_charts.test.tsx
@@ -31,7 +31,7 @@ describe('TotalCharts', () => {
   it('renders the total queries chart', () => {
     const chart = wrapper.find('[data-test-subj="TotalQueriesChart"]');
 
-    expect(chart.find('h2').text()).toEqual('Total Queries');
+    expect(chart.find('h2').text()).toEqual('Total queries');
     expect(chart.find(EuiButton).prop('to')).toEqual('/engines/some-engine/analytics');
     // TODO: find chart component
   });
@@ -39,7 +39,7 @@ describe('TotalCharts', () => {
   it('renders the total API operations chart', () => {
     const chart = wrapper.find('[data-test-subj="TotalApiOperationsChart"]');
 
-    expect(chart.find('h2').text()).toEqual('Total API Operations');
+    expect(chart.find('h2').text()).toEqual('Total API operations');
     expect(chart.find(EuiButton).prop('to')).toEqual('/engines/some-engine/api-logs');
     // TODO: find chart component
   });
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_stats.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_stats.test.tsx
index 33f68b52b859b..6cb47e8b419f3 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_stats.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/components/total_stats.test.tsx
@@ -30,7 +30,7 @@ describe('TotalStats', () => {
 
     const card = wrapper.find(EuiStat).at(0);
     expect(card.prop('title')).toEqual(11);
-    expect(card.prop('description')).toEqual('Total Queries');
+    expect(card.prop('description')).toEqual('Total queries');
   });
 
   it('renders the total documents stat', () => {
@@ -38,7 +38,7 @@ describe('TotalStats', () => {
 
     const card = wrapper.find(EuiStat).at(1);
     expect(card.prop('title')).toEqual(22);
-    expect(card.prop('description')).toEqual('Total Documents');
+    expect(card.prop('description')).toEqual('Total documents');
   });
 
   it('renders the total clicks stat', () => {
@@ -46,6 +46,6 @@ describe('TotalStats', () => {
 
     const card = wrapper.find(EuiStat).at(2);
     expect(card.prop('title')).toEqual(33);
-    expect(card.prop('description')).toEqual('Total Clicks');
+    expect(card.prop('description')).toEqual('Total clicks');
   });
 });
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/constants.ts b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/constants.ts
index 7c71f68e49fdf..797811ec6cde8 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/constants.ts
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/constants.ts
@@ -13,12 +13,12 @@ export const OVERVIEW_TITLE = i18n.translate(
 
 export const VIEW_ANALYTICS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.overview.analyticsLink',
-  { defaultMessage: 'View Analytics' }
+  { defaultMessage: 'View analytics' }
 );
 
 export const VIEW_API_LOGS = i18n.translate(
   'xpack.enterpriseSearch.appSearch.engine.overview.apiLogsLink',
-  { defaultMessage: 'View API Logs' }
+  { defaultMessage: 'View API logs' }
 );
 
 export const LAST_7_DAYS = i18n.translate(
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.test.tsx
index 03ab54b92acc6..8ebe09820a67e 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.test.tsx
@@ -28,7 +28,7 @@ describe('EmptyEngineOverview', () => {
 
   it('renders', () => {
     expect(wrapper.find('h1').text()).toEqual('Engine setup');
-    expect(wrapper.find('h2').text()).toEqual('Setting up the “empty-engine” Engine');
+    expect(wrapper.find('h2').text()).toEqual('Setting up the “empty-engine” engine');
     expect(wrapper.find('h3').text()).toEqual('Indexing by API');
   });
 
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.tsx
index a4d8914547729..f2bf5a54f810c 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_empty.tsx
@@ -60,7 +60,7 @@ export const EmptyEngineOverview: React.FC = () => {
           <EuiTitle>
             <h2>
               {i18n.translate('xpack.enterpriseSearch.appSearch.engine.overview.empty.subheading', {
-                defaultMessage: 'Setting up the “{engineName}” Engine',
+                defaultMessage: 'Setting up the “{engineName}” engine',
                 values: { engineName },
               })}
             </h2>
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.test.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.test.tsx
index d81b2f3aa13c8..8250446e231b3 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.test.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.test.tsx
@@ -15,7 +15,7 @@ import { EngineOverviewMetrics } from './engine_overview_metrics';
 describe('EngineOverviewMetrics', () => {
   it('renders', () => {
     const wrapper = shallow(<EngineOverviewMetrics />);
-    expect(wrapper.find('h1').text()).toEqual('Engine Overview');
+    expect(wrapper.find('h1').text()).toEqual('Engine overview');
   });
 
   it('renders an unavailable prompt if engine data is still indexing', () => {
diff --git a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.tsx b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.tsx
index 55f1a0bdaf7d0..9630f6fa2f81d 100644
--- a/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.tsx
+++ b/x-pack/plugins/enterprise_search/public/applications/app_search/components/engine_overview/engine_overview_metrics.tsx
@@ -23,7 +23,7 @@ export const EngineOverviewMetrics: React.FC = () => {
         <EuiTitle size="l">
           <h1>
             {i18n.translate('xpack.enterpriseSearch.appSearch.engine.overview.heading', {
-              defaultMessage: 'Engine Overview',
+              defaultMessage: 'Engine overview',
             })}
           </h1>
         </EuiTitle>