diff --git a/src/wp-admin/css/list-tables.css b/src/wp-admin/css/list-tables.css
index 503ea7ac62..ccccc3dc65 100644
--- a/src/wp-admin/css/list-tables.css
+++ b/src/wp-admin/css/list-tables.css
@@ -1436,11 +1436,11 @@ tr.active + tr.plugin-update-tr:not(.updated) .plugin-update .update-message {
 	background-color: #fcf3ef;
 }
 
-.plugin-install-php h3 {
+.plugin-install-php h2 {
 	clear: both;
 }
 
-.plugin-install-php h4 {
+.plugin-install-php h3 {
 	margin: 2.5em 0 8px;
 }
 
@@ -1517,7 +1517,7 @@ div.action-links,
 	margin: 0; /* Override existing margins */
 }
 
-.plugin-card h4 {
+.plugin-card h3 {
 	margin: 0 0 12px;
 	font-size: 18px;
 	line-height: 1.3;
diff --git a/src/wp-admin/includes/class-wp-plugin-install-list-table.php b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
index d03796b982..879a4d4b6d 100644
--- a/src/wp-admin/includes/class-wp-plugin-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-plugin-install-list-table.php
@@ -496,12 +496,12 @@ class WP_Plugin_Install_List_Table extends WP_List_Table {
 		<div class="plugin-card plugin-card-<?php echo sanitize_html_class( $plugin['slug'] ); ?>">
 			<div class="plugin-card-top">
 				<div class="name column-name">
-					<h4>
+					<h3>
 						<a href="<?php echo esc_url( $details_link ); ?>" class="thickbox">
 						<?php echo $title; ?>
 						<img src="<?php echo esc_attr( $plugin_icon_url ) ?>" class="plugin-icon" alt="">
 						</a>
-					</h4>
+					</h3>
 				</div>
 				<div class="action-links">
 					<?php
diff --git a/src/wp-admin/includes/plugin-install.php b/src/wp-admin/includes/plugin-install.php
index 36fade2108..f9c359f61a 100644
--- a/src/wp-admin/includes/plugin-install.php
+++ b/src/wp-admin/includes/plugin-install.php
@@ -214,7 +214,7 @@ function install_dashboard() {
 
 	<?php display_plugins_table(); ?>
 
-	<h3><?php _e( 'Popular tags' ) ?></h3>
+	<h2><?php _e( 'Popular tags' ) ?></h2>
 	<p><?php _e( 'You may also browse based on the most popular tags in the Plugin Directory:' ) ?></p>
 	<?php