Update installation

Author: davidteather

README.md

@@ -10,7 +10,7 @@ Consider sponsoring me [here](https://github.com/sponsors/davidteather)
 ## Installing
 
 ```
-pip install python_obfuscator
+pip install python-obfuscator
 ```
 
 ## Quickstart
@@ -74,4 +74,4 @@ See also the list of [contributors](https://github.com/davidteather/TikTok-Api/c
 
 ## License
 
-This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details
+This project is licensed under the MIT License - see the [LICENSE.md](LICENSE.md) file for details