Index: src/js/_enqueues/admin/site-health.js
===================================================================
--- src/js/_enqueues/admin/site-health.js	(revision 45343)
+++ src/js/_enqueues/admin/site-health.js	(working copy)
@@ -65,11 +65,11 @@
 		count = SiteHealth.site_status.issues[ issue.status ];
 
 		if ( 'critical' === issue.status ) {
-			heading = sprintf( _n( '%s Critical issue', '%s Critical issues', count ), '<span class="issue-count">' + count + '</span>' );
+			heading = sprintf( _n( '%s Critical Issue', '%s Critical Issues', count ), '<span class="issue-count">' + count + '</span>' );
 		} else if ( 'recommended' === issue.status ) {
-			heading = sprintf( _n( '%s Recommended improvement', '%s Recommended improvements', count ), '<span class="issue-count">' + count + '</span>' );
+			heading = sprintf( _n( '%s Recommended Improvement', '%s Recommended Improvements', count ), '<span class="issue-count">' + count + '</span>' );
 		} else if ( 'good' === issue.status ) {
-			heading = sprintf( _n( '%s Item with no issues detected', '%s Items with no issues detected', count ), '<span class="issue-count">' + count + '</span>' );
+			heading = sprintf( _n( '%s Item with No Issues Detected', '%s Items with No Issues Detected', count ), '<span class="issue-count">' + count + '</span>' );
 		}
 
 		if ( heading ) {
Index: src/wp-admin/site-health.php
===================================================================
--- src/wp-admin/site-health.php	(revision 45343)
+++ src/wp-admin/site-health.php	(working copy)
@@ -93,7 +93,7 @@
 			<h3 class="site-health-issue-count-title">
 				<?php
 					/* translators: %s: number of critical issues found */
-					printf( _n( '%s Critical issue', '%s Critical issues', 0 ), '<span class="issue-count">0</span>' );
+					printf( _n( '%s Critical Issue', '%s Critical Issues', 0 ), '<span class="issue-count">0</span>' );
 				?>
 			</h3>
 
@@ -104,7 +104,7 @@
 			<h3 class="site-health-issue-count-title">
 				<?php
 					/* translators: %s: number of recommended improvements */
-					printf( _n( '%s Recommended improvement', '%s Recommended improvements', 0 ), '<span class="issue-count">0</span>' );
+					printf( _n( '%s Recommended Improvement', '%s Recommended Improvements', 0 ), '<span class="issue-count">0</span>' );
 				?>
 			</h3>
 
@@ -123,7 +123,7 @@
 		<h3 class="site-health-issue-count-title">
 			<?php
 				/* translators: %s: number of items with no issues */
-				printf( _n( '%s Item with no issues detected', '%s Items with no issues detected', 0 ), '<span class="issue-count">0</span>' );
+				printf( _n( '%s Item with No Issues Detected', '%s Items with No Issues Detected', 0 ), '<span class="issue-count">0</span>' );
 			?>
 		</h3>