fix readme

Author: RichieHakim

README.md

@@ -51,19 +51,15 @@ With ROICaT, you can:
 ### TRACKING: 
 - [Online App](https://huggingface.co/spaces/richiehakim/ROICaT_tracking): Good for first time users. Try it out without installing anything.
 - [Interactive
-  notebook](https://github.com/RichieHakim/ROICaT/blob/main/notebooks/tracking/1_tracking_interactive_notebook.ipynb). Or run on google colab: <a target="_blank" href="https://githubtocolab.com/RichieHakim/ROICaT/blob/main/notebooks/tracking/1_tracking_interactive_notebook.ipynb">
-  <img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/>
-</a>
+  notebook](https://github.com/RichieHakim/ROICaT/blob/main/notebooks/tracking/1_tracking_interactive_notebook.ipynb). Or run on google colab: <a target="_blank" href="https://githubtocolab.com/RichieHakim/ROICaT/blob/main/notebooks/tracking/1_tracking_interactive_notebook.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
 - [Command line interface script](https://github.com/RichieHakim/ROICaT/blob/main/scripts/run_tracking.sh): 
 ```shell
 roicat --pipeline tracking --path_params /path/to/params.yaml --dir_data /folder/with/data/ --dir_save /folder/save/ --prefix_name_save expName --verbose
 ```
 
 ### CLASSIFICATION:
 - [Interactive notebook -
-  Drawing](https://github.com/RichieHakim/ROICaT/blob/main/notebooks/classification/A1_classify_by_drawingSelection.ipynb). Or run on google colab: <a target="_blank" href="https://githubtocolab.com/RichieHakim/ROICaT/blob/main/notebooks/classification/A1_classify_by_drawingSelection.ipynb">
-  <img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/>
-</a>
+  Drawing](https://github.com/RichieHakim/ROICaT/blob/main/notebooks/classification/A1_classify_by_drawingSelection.ipynb). Or run on google colab: <a target="_blank" href="https://githubtocolab.com/RichieHakim/ROICaT/blob/main/notebooks/classification/A1_classify_by_drawingSelection.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>
 - [Interactive notebook -
   Labeling](https://github.com/RichieHakim/ROICaT/blob/main/notebooks/classification/B1_labeling_interactive.ipynb)
 - [Interactive notebook - Train