diff --git a/superset-frontend/src/components/DynamicPlugins/index.tsx b/superset-frontend/src/components/DynamicPlugins/index.tsx
index 9f51bd12bc8..52570fee039 100644
--- a/superset-frontend/src/components/DynamicPlugins/index.tsx
+++ b/superset-frontend/src/components/DynamicPlugins/index.tsx
@@ -163,7 +163,7 @@ export const DynamicPluginProvider: React.FC = ({ children }) => {
         }),
       );
     } catch (error) {
-      logging.error('failed to load dynamic plugins', error.stack || error);
+      logging.error('Failed to load dynamic plugins', error.stack || error);
     }
   }
 
diff --git a/superset-frontend/src/components/ErrorMessage/DatabaseErrorMessage.tsx b/superset-frontend/src/components/ErrorMessage/DatabaseErrorMessage.tsx
index 6fdff31161a..c552d3a3600 100644
--- a/superset-frontend/src/components/ErrorMessage/DatabaseErrorMessage.tsx
+++ b/superset-frontend/src/components/ErrorMessage/DatabaseErrorMessage.tsx
@@ -78,7 +78,7 @@ ${extra.issue_codes.map(issueCode => issueCode.message).join('\n')}`;
 
   return (
     <ErrorAlert
-      title={t('%s Error', extra.engine_name || t('DB Engine'))}
+      title={t('%s Error', extra.engine_name || t('DB engine'))}
       subtitle={message}
       level={level}
       source={source}
diff --git a/superset-frontend/src/components/ErrorMessage/ErrorAlert.tsx b/superset-frontend/src/components/ErrorMessage/ErrorAlert.tsx
index 71455db3223..ce5ebe6926b 100644
--- a/superset-frontend/src/components/ErrorMessage/ErrorAlert.tsx
+++ b/superset-frontend/src/components/ErrorMessage/ErrorAlert.tsx
@@ -120,7 +120,7 @@ export default function ErrorAlert({
             className="link"
             onClick={() => setIsModalOpen(true)}
           >
-            {t('See More')}
+            {t('See more')}
           </span>
         )}
       </div>
@@ -136,7 +136,7 @@ export default function ErrorAlert({
                   className="link"
                   onClick={() => setIsBodyExpanded(true)}
                 >
-                  {t('See More')}
+                  {t('See more')}
                 </span>
               )}
               {isBodyExpanded && (
@@ -149,7 +149,7 @@ export default function ErrorAlert({
                     className="link"
                     onClick={() => setIsBodyExpanded(false)}
                   >
-                    {t('See Less')}
+                    {t('See less')}
                   </span>
                 </>
               )}
@@ -178,7 +178,7 @@ export default function ErrorAlert({
                   text={copyText}
                   shouldShowText={false}
                   wrapped={false}
-                  copyNode={<Button onClick={noOp}>{t('Copy Message')}</Button>}
+                  copyNode={<Button onClick={noOp}>{t('Copy message')}</Button>}
                 />
               )}
               <Button
diff --git a/superset-frontend/src/components/ErrorMessage/ErrorMessageWithStackTrace.tsx b/superset-frontend/src/components/ErrorMessage/ErrorMessageWithStackTrace.tsx
index 554e2f9af16..29bd73cb3cc 100644
--- a/superset-frontend/src/components/ErrorMessage/ErrorMessageWithStackTrace.tsx
+++ b/superset-frontend/src/components/ErrorMessage/ErrorMessageWithStackTrace.tsx
@@ -23,7 +23,7 @@ import getErrorMessageComponentRegistry from './getErrorMessageComponentRegistry
 import { SupersetError, ErrorSource } from './types';
 import ErrorAlert from './ErrorAlert';
 
-const DEFAULT_TITLE = t('Unexpected Error');
+const DEFAULT_TITLE = t('Unexpected error');
 
 type Props = {
   title?: string;
diff --git a/superset-frontend/src/components/ErrorMessage/ParameterErrorMessage.tsx b/superset-frontend/src/components/ErrorMessage/ParameterErrorMessage.tsx
index 145200d9bfd..1eb44371ed7 100644
--- a/superset-frontend/src/components/ErrorMessage/ParameterErrorMessage.tsx
+++ b/superset-frontend/src/components/ErrorMessage/ParameterErrorMessage.tsx
@@ -111,7 +111,7 @@ ${extra.issue_codes.map(issueCode => issueCode.message).join('\n')}`;
 
   return (
     <ErrorAlert
-      title={t('Parameter Error')}
+      title={t('Parameter error')}
       subtitle={message}
       level={level}
       source={source}
diff --git a/superset-frontend/src/components/ErrorMessage/TimeoutErrorMessage.tsx b/superset-frontend/src/components/ErrorMessage/TimeoutErrorMessage.tsx
index 89805956f78..0e9d6630b99 100644
--- a/superset-frontend/src/components/ErrorMessage/TimeoutErrorMessage.tsx
+++ b/superset-frontend/src/components/ErrorMessage/TimeoutErrorMessage.tsx
@@ -95,7 +95,7 @@ ${extra.issue_codes.map(issueCode => issueCode.message).join('\n')}`;
 
   return (
     <ErrorAlert
-      title={t('Timeout Error')}
+      title={t('Timeout error')}
       subtitle={subtitle}
       level={level}
       source={source}
diff --git a/superset-frontend/src/components/FilterableTable/FilterableTable.tsx b/superset-frontend/src/components/FilterableTable/FilterableTable.tsx
index 67bea7fb42f..c7629962d60 100644
--- a/superset-frontend/src/components/FilterableTable/FilterableTable.tsx
+++ b/superset-frontend/src/components/FilterableTable/FilterableTable.tsx
@@ -314,7 +314,7 @@ export default class FilterableTable extends PureComponent<
             <CopyToClipboard shouldShowText={false} text={jsonString} />
           </Button>
         }
-        modalTitle={t('Cell Content')}
+        modalTitle={t('Cell content')}
         triggerNode={node}
       />
     );
diff --git a/superset-frontend/src/components/ListView/ListView.tsx b/superset-frontend/src/components/ListView/ListView.tsx
index 6ee998cc356..621b8d85ad1 100644
--- a/superset-frontend/src/components/ListView/ListView.tsx
+++ b/superset-frontend/src/components/ListView/ListView.tsx
@@ -345,7 +345,7 @@ function ListView<T extends object = any>({
                     className="deselect-all"
                     onClick={() => toggleAllRowsSelected(false)}
                   >
-                    {t('Deselect All')}
+                    {t('Deselect all')}
                   </span>
                   <div className="divider" />
                   {bulkActions.map(action => (
@@ -390,7 +390,7 @@ function ListView<T extends object = any>({
             <EmptyWrapper className={viewMode}>
               <Empty
                 image={<EmptyImage />}
-                description={emptyState.message || 'No Data'}
+                description={emptyState.message || 'No data'}
               >
                 {emptyState.slot || null}
               </Empty>
diff --git a/superset-frontend/src/components/RefreshChartOverlay.tsx b/superset-frontend/src/components/RefreshChartOverlay.tsx
index bd965b40b63..7e727bd28b9 100644
--- a/superset-frontend/src/components/RefreshChartOverlay.tsx
+++ b/superset-frontend/src/components/RefreshChartOverlay.tsx
@@ -45,7 +45,7 @@ class RefreshChartOverlay extends React.PureComponent<Props> {
       <RefreshOverlayWrapper>
         <div>
           <Button onClick={this.props.onQuery} buttonStyle="primary">
-            {t('Run Query')}
+            {t('Run query')}
           </Button>
         </div>
       </RefreshOverlayWrapper>
diff --git a/superset-frontend/src/components/URLShortLinkModal.tsx b/superset-frontend/src/components/URLShortLinkModal.tsx
index 40e9b4521b8..148d86cdc56 100644
--- a/superset-frontend/src/components/URLShortLinkModal.tsx
+++ b/superset-frontend/src/components/URLShortLinkModal.tsx
@@ -80,7 +80,7 @@ class URLShortLinkModal extends React.Component<
         ref={this.setModalRef}
         triggerNode={this.props.triggerNode}
         beforeOpen={this.getCopyUrl}
-        modalTitle={this.props.title || t('Share Dashboard')}
+        modalTitle={this.props.title || t('Share dashboard')}
         modalBody={
           <div>
             <CopyToClipboard