diff --git a/src/index.ts b/src/index.ts
index cf7d5a5..58f8495 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -247,7 +247,7 @@ export default class Updater {
                                         if (dataView[0] == 1) {
                                                 // send file
                                                 await this.sendNextPacket();
-                                                progressCallback(`Sending (${Math.floor((this._fileProgress *100)/this._fileSize)}), ${this._fileProgress} / ${this._fileSize}`);
+                                                progressCallback(`Sending (${Math.floor((this._fileProgress *100)/this._fileSize)}%), ${this._fileProgress} / ${this._fileSize}`);
                                         } else if (dataView[0] == 2) {
                                                 // done logic
                                                 if (this._fileProgress >= this._fileSize) {                                                
@@ -267,7 +267,7 @@ export default class Updater {
                                                 } else {
                                                         // send disagree
                                                         await this.sendEndCmd(false);
-                                                        progressCallback(`Error, starting over`);
+                                                        progressCallback(`Error, starting over: ${this._fileProgress} / ${this._fileSize}`);
                                                         this._fileProgress = 0;
                                                 }
                                         } else if (dataView[0] == 15) {