diff --git a/tutorials/asr/Online_Noise_Augmentation.ipynb b/tutorials/asr/Online_Noise_Augmentation.ipynb
index a56ac2f41a21..fe3125683091 100644
--- a/tutorials/asr/Online_Noise_Augmentation.ipynb
+++ b/tutorials/asr/Online_Noise_Augmentation.ipynb
@@ -753,7 +753,7 @@
                 "# This is where the rir data will be downloaded.\n",
                 "# Change this if you don't want the data to be extracted in the current directory.\n",
                 "rir_data_path = '.'\n",
-		"!python ../../scripts/dataset_processing/get_openslr_rir_data.py --data_root {rir_data_path}\n",
+                "!python ../../scripts/dataset_processing/get_openslr_rir_data.py --data_root {rir_data_path}\n",
                 "rir_manifest_path = os.path.join(rir_data_path, 'processed', 'rir.json')\n",
                 "!head -n 3 {rir_manifest_path}"
             ]