diff --git a/README.md b/README.md
index e0d3917..1369d6c 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,10 @@ do:
     python setup.py develop
     pip install -r dev-requirements.txt
 
+## Troubleshooting
+
+- `ImportError: lxml.html.clean module is now a separate project lxml_html_clean`
+    Install `lxml[html_clean]` or `lxml_html_clean` directly using pip.
 
 ## Tests