diff --git a/src/wp-admin/includes/class-plugin-installer-skin.php b/src/wp-admin/includes/class-plugin-installer-skin.php
index c23b51e7f3..59853c47d3 100644
--- a/src/wp-admin/includes/class-plugin-installer-skin.php
+++ b/src/wp-admin/includes/class-plugin-installer-skin.php
@@ -282,9 +282,17 @@ class Plugin_Installer_Skin extends WP_Upgrader_Skin {
 
 		if ( $can_update ) {
 			if ( $this->is_downgrading ) {
-				$warning = __( 'You are uploading an older version of a current plugin. You can continue to install the older version, but be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
+				$warning = sprintf(
+					/* translators: %s: Documentation URL. */
+					__( 'You are uploading an older version of a current plugin. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ),
+					__( 'https://wordpress.org/support/article/wordpress-backups/' )
+				);
 			} else {
-				$warning = __( 'You are updating a plugin. Be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
+				$warning = sprintf(
+					/* translators: %s: Documentation URL. */
+					__( 'You are updating a plugin. Be sure to <a href="%s">back up your database and files</a> first.' ),
+					__( 'https://wordpress.org/support/article/wordpress-backups/' )
+				);
 			}
 
 			echo '<p class="update-from-upload-notice">' . $warning . '</p>';
diff --git a/src/wp-admin/includes/class-theme-installer-skin.php b/src/wp-admin/includes/class-theme-installer-skin.php
index 04693a879b..6850e8bbb2 100644
--- a/src/wp-admin/includes/class-theme-installer-skin.php
+++ b/src/wp-admin/includes/class-theme-installer-skin.php
@@ -311,9 +311,17 @@ class Theme_Installer_Skin extends WP_Upgrader_Skin {
 
 		if ( $can_update ) {
 			if ( $this->is_downgrading ) {
-				$warning = __( 'You are uploading an older version of a current theme. You can continue to install the older version, but be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
+				$warning = sprintf(
+					/* translators: %s: Documentation URL. */
+					__( 'You are uploading an older version of a current theme. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ),
+					__( 'https://wordpress.org/support/article/wordpress-backups/' )
+				);
 			} else {
-				$warning = __( 'You are updating a theme. Be sure to <a href="https://wordpress.org/support/article/wordpress-backups/">backup your database and files</a> first.' );
+				$warning = sprintf(
+					/* translators: %s: Documentation URL. */
+					__( 'You are updating a theme. Be sure to <a href="%s">back up your database and files</a> first.' ),
+					__( 'https://wordpress.org/support/article/wordpress-backups/' )
+				);
 			}
 
 			echo '<p class="update-from-upload-notice">' . $warning . '</p>';
diff --git a/src/wp-admin/update-core.php b/src/wp-admin/update-core.php
index 57b1619150..c4a7fb0e54 100644
--- a/src/wp-admin/update-core.php
+++ b/src/wp-admin/update-core.php
@@ -247,7 +247,12 @@ function core_upgrade_preamble() {
 
 	if ( isset( $updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
 		echo '<div class="notice notice-warning"><p>';
-		_e( '<strong>Important:</strong> Before updating, please <a href="https://wordpress.org/support/article/wordpress-backups/">back up your database and files</a>. For help with updates, visit the <a href="https://wordpress.org/support/article/updating-wordpress/">Updating WordPress</a> documentation page.' );
+		printf(
+			/* translators: 1: Documentation on WordPress backups, 2: Documentation on updating WordPress. */
+			__( '<strong>Important:</strong> Before updating, please <a href="%1$s">back up your database and files</a>. For help with updates, visit the <a href="%2$s">Updating WordPress</a> documentation page.' ),
+			__( 'https://wordpress.org/support/article/wordpress-backups/' ),
+			__( 'https://wordpress.org/support/article/updating-wordpress/' )
+		);
 		echo '</p></div>';
 
 		echo '<h2 class="response">';