diff --git a/src/wp-includes/ms-default-constants.php b/src/wp-includes/ms-default-constants.php
index 016ed437b7..128b47b9ae 100644
--- a/src/wp-includes/ms-default-constants.php
+++ b/src/wp-includes/ms-default-constants.php
@@ -143,11 +143,21 @@ function ms_subdomain_constants() {
 			'<code>wp-config.php</code>',
 			'<code>is_subdomain_install()</code>'
 		);
+
 		if ( $subdomain_error_warn ) {
-			trigger_error( __( '<strong>Conflicting values for the constants VHOST and SUBDOMAIN_INSTALL.</strong> The value of SUBDOMAIN_INSTALL will be assumed to be your subdomain configuration setting.' ) . ' ' . $vhost_deprecated, E_USER_WARNING );
+			trigger_error(
+				sprintf(
+					/* translators: 1: VHOST, 2: SUBDOMAIN_INSTALL */
+					__( '<strong>Conflicting values for the constants %1$s and %2$s.</strong> The value of %2$s will be assumed to be your subdomain configuration setting.' ),
+					'<code>VHOST</code>',
+					'<code>SUBDOMAIN_INSTALL</code>'
+				) . ' ' . $vhost_deprecated,
+				E_USER_WARNING
+			);
 		} else {
 			_deprecated_argument( 'define()', '3.0.0', $vhost_deprecated );
 		}
+
 		return;
 	}