Update tutorials/nlp/SpellMapper_English_ASR_Customization.ipynb

Signed-off-by: Somshubra Majumdar <[email protected]>

Author: titu1994

tutorials/nlp/SpellMapper_English_ASR_Customization.ipynb

@@ -85,7 +85,7 @@
         "# Install NeMo library. If you are running locally (rather than on Google Colab), comment out the below lines\n",
         "# and instead follow the instructions at https://github.com/NVIDIA/NeMo#Installation\n",
         "GITHUB_ACCOUNT = \"NVIDIA\"\n",
-        "BRANCH = \'r1.20.0\'\n",
+        "BRANCH = \'main'\n",
         "!python -m pip install git+https://github.com/{GITHUB_ACCOUNT}/NeMo.git@{BRANCH}#egg=nemo_toolkit[all]\n",
         "\n",
         "# Download local version of NeMo scripts. If you are running locally and want to use your own local NeMo code,\n",