chore(docs): update README

Author: elhoangvu

README.md

@@ -93,7 +93,7 @@ __Note:__ The value of the variables is depended to current context by `build_co
 
 Refer to my projects using `dictrule` to generate text resources:
 
-- [leetcodegen](https://github.com/elhoangvu/leetcodegen)
+- [lcgen](https://github.com/elhoangvu/lcgen)
 
 ## Installing dictrule
 
@@ -364,7 +364,7 @@ This rule wraps content by quotes.
 `dictrule` includes a comprehensive test suite. To run the tests, run:
 
 ```shell
-pytest
+PYTHONPATH=src pytest
 ```
 
 ## Contributing