fix spelling error on readme

README.md

@@ -16,7 +16,7 @@ We currently recommend installation via the [Conda](https://conda.io/docs/) pack
    git clone https://github.com/hjkgrp/molSimplify.git
    ```
 
-3. Go to the folder root folder for molSimplify, create the conda environment from the yaml file (`conda_envs/mols.yml`). **For M1 Macs, use mols_m1.yml instead.** This step will help you get all the dependecies correct in a newly created conda environment named "mols_test". You can specify a different name for this environment at the first line of the yaml file.
+3. Go to the folder root folder for molSimplify, create the conda environment from the yaml file (`conda_envs/mols.yml`). **For M1 Macs, use mols_m1.yml instead.** This step will help you get all the dependencies correct in a newly created conda environment named "mols_test". You can specify a different name for this environment at the first line of the yaml file.
 
    ```bash
    cd molSimplify/conda-envs