fix a typo on the README.md
@@ -66,7 +66,7 @@ To install Pybatfish run the following commands (in a virtual environment if app
#### 4. Develop your analysis
-Afer installing Pybatfish, use your Python environment of choice (e.g., PyCharm, interactive Python shell, Jupyter, ..) to interact with Batfish. The [notebooks](https://github.com/batfish/pybatfish/tree/master/jupyter_notebooks) provide examples of such scripts.
+After installing Pybatfish, use your Python environment of choice (e.g., PyCharm, interactive Python shell, Jupyter, ..) to interact with Batfish. The [notebooks](https://github.com/batfish/pybatfish/tree/master/jupyter_notebooks) provide examples of such scripts.
See complete documentation of Pybatfish on [readthedocs](https://pybatfish.readthedocs.io/en/latest/).
