diff --git a/frontend/app/player/MessageDistributor/messages/MFileReader.ts b/frontend/app/player/MessageDistributor/messages/MFileReader.ts
index 48f9bd3cf..82d505716 100644
--- a/frontend/app/player/MessageDistributor/messages/MFileReader.ts
+++ b/frontend/app/player/MessageDistributor/messages/MFileReader.ts
@@ -21,7 +21,7 @@ export default class MFileReader extends RawMessageReader {
         return this.buf[ this.p + i ] - this.buf[ this.pLastMessageID + i ] < 0
       }
     }
-    return true
+    return false
   }
 
   private readRawMessage(): RawMessage | null {
@@ -70,4 +70,4 @@ export default class MFileReader extends RawMessageReader {
     })
     return [msg, this.pLastMessageID]
   }
-}
\ No newline at end of file
+}
diff --git a/frontend/app/player/MessageDistributor/messages/PrimitiveReader.ts b/frontend/app/player/MessageDistributor/messages/PrimitiveReader.ts
index bc62bf653..ffb2c3edc 100644
--- a/frontend/app/player/MessageDistributor/messages/PrimitiveReader.ts
+++ b/frontend/app/player/MessageDistributor/messages/PrimitiveReader.ts
@@ -1,4 +1,5 @@
 export default class PrimitiveReader {
+  /** pointer for curent position in the buffer */
   protected p: number = 0
   constructor(protected buf: Uint8Array = new Uint8Array(0)) {}