Fix a typo

PiperOrigin-RevId: 323614079
Change-Id: Iff91d64b193dec3ae0874321558fe8ca73ecc177
diff --git a/tensorflow/tools/ci_build/sizetrack_helper.py b/tensorflow/tools/ci_build/sizetrack_helper.py
index 4b7c839..85bfa12 100755
--- a/tensorflow/tools/ci_build/sizetrack_helper.py
+++ b/tensorflow/tools/ci_build/sizetrack_helper.py
@@ -99,7 +99,7 @@
 size.add_argument(
     "--artifact",
     type=argparse.FileType("r"),
-    help="Local to file you are measuring.")
+    help="Local file you are measuring.")
 size.add_argument(
     "--manual_bytes",
     type=int,