diff --git a/src/wp-includes/class-wp-recovery-mode-email-service.php b/src/wp-includes/class-wp-recovery-mode-email-service.php
index 24e904277f..193a41483e 100644
--- a/src/wp-includes/class-wp-recovery-mode-email-service.php
+++ b/src/wp-includes/class-wp-recovery-mode-email-service.php
@@ -62,7 +62,14 @@ final class WP_Recovery_Mode_Email_Service {
 				return true;
 			}
 
-			return new WP_Error( 'email_failed', __( 'The email could not be sent. Possible reason: your host may have disabled the mail() function.' ) );
+			return new WP_Error(
+				'email_failed',
+				sprintf(
+					/* translators: %s: mail() */
+					__( 'The email could not be sent. Possible reason: your host may have disabled the %s function.' ),
+					'mail()'
+				)
+			);
 		}
 
 		$err_message = sprintf(