diff --git a/notes.md b/notes.md
index 5519084..ad9be45 100644
--- a/notes.md
+++ b/notes.md
@@ -12,4 +12,12 @@
   * ~~remove base url from initial urls with and without trailing slash~~
   * investigate using [tldextract](https://github.com/john-kurkowski/tldextract) to match urls
   * ~~implement parsing of [robots.txt](http://docs.w3cub.com/python~3.6/library/urllib.robotparser/)~~
-  * investigate [gzip encoding](https://stackoverflow.com/questions/36383227/avoid-downloading-images-using-beautifulsoup-and-urllib-request)
\ No newline at end of file
+  * investigate [gzip encoding](https://stackoverflow.com/questions/36383227/avoid-downloading-images-using-beautifulsoup-and-urllib-request)
+
+
+```
+text/html; charset=utf-8
+application/xhtml+xml
+'WebPage' object has no attribute 'source'
+'WebPage' object has no attribute 'discovered_hrefs'
+```
\ No newline at end of file