better error messages

Author: afragen

Lite.php

@@ -77,7 +77,7 @@ private function check_update_uri( $updateUri ) {
 			) {
 				$updateUri = untrailingslashit( trim( $updateUri ) );
 			} else {
-				return new \WP_Error( 'poorly_formed_header_data', 'Poorly formed data from Update URI header', $updateUri );
+				return new \WP_Error( 'invalid_header_data', 'Invalid data from Update URI header', $updateUri );
 			}
 
 			return $updateUri;
@@ -101,7 +101,7 @@ public function run() {
 			}
 
 			if ( empty( $this->update_server ) || is_wp_error( $this->update_server ) ) {
-				return new \WP_Error( 'bad_domain', 'Bad or empty update server domain', $this->update_server );
+				return new \WP_Error( 'invalid_domain', 'Invalid update server domain', $this->update_server );
 			}
 			$url      = "$this->update_server/wp-json/git-updater/v1/update-api/?slug=$this->slug";
 			$response = get_site_transient( "git-updater-lite_{$this->file}" );