fix syntax error introduced in PR-7079 (#7102)

* fix syntax error introduced in PR-7079

Signed-off-by: Alexandra Antonova <[email protected]>

* fixes for pr review

Signed-off-by: Alexandra Antonova <[email protected]>

---------

Signed-off-by: Alexandra Antonova <[email protected]>

Author: bene-ges

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 = 'main'\n",
+        "BRANCH = 'r1.20.0'\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",
@@ -934,7 +934,9 @@
         "id": "9T3CZcCAmxCz"
       },
       "source": [
-        "Now we have a folder with generated audios `audio/*.wav` and a nemo manifest with json records like `{\"audio_filepath\": \"audio/0.wav\", \"text\": \"no renal auditory or vestibular toxicity was observed\", \"orig_text\": \"No renal, auditory, or vestibular toxicity was observed.\"}`."
+        "Now we have a folder with generated audios `audio/*.wav` and a nemo manifest with json records like `{\"audio_filepath\": \"audio/0.wav\", \"text\": \"no renal auditory or vestibular toxicity was observed\", \"orig_text\": \"No renal, auditory, or vestibular toxicity was observed.\"}`.",
+        "\n",
+        "Note that TTS model may mispronounce some unknown words, for example, abbreviations like `tRNAs`."
       ]
     },
     {