Update README.md to remove col = "message"

README.md

@@ -85,7 +85,7 @@ my_feature_builder = FeatureBuilder(
 )
 
 # this line of code runs the FeatureBuilder on your data
-my_feature_builder.featurize(col="message")
+my_feature_builder.featurize()
 ```
 
 ### Data Format
@@ -112,4 +112,4 @@ For more information, please refer to the [Introduction on our Read the Docs Pag
 Please visit our website, [https://teamcommtools.seas.upenn.edu/](https://teamcommtools.seas.upenn.edu/), for general information about our project and research. For more detailed documentation on our features and examples, please visit our [Read the Docs Page](https://conversational-featurizer.readthedocs.io/en/latest/).
 
 # Becoming a Contributor
-If you would like to make pull requests to this open-sourced repository, please read our [GitHub Repo Getting Started Guide](/github_repo_getting_started.md). We welcome new feature contributions or improvements to our framework.
+If you would like to make pull requests to this open-sourced repository, please read our [GitHub Repo Getting Started Guide](/github_repo_getting_started.md). We welcome new feature contributions or improvements to our framework.