diff --git a/s/index.md b/s/index.md
index 9553cf5..f5deaa2 100644
--- a/s/index.md
+++ b/s/index.md
@@ -8,12 +8,18 @@ are inadequate for the job.  You should use an HTML parser.
 
 This site shows you how.
 
+# Why **regexes** are bad for **HTML parsing**
+
+* [This answer on stackoverflow](http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454) is a good starting point.
+* [This post by Tom Christiansen](http://stackoverflow.com/questions/4231382/regular-expression-pattern-not-matching-anywhere-in-string/4234491#4234491) shows that **you can parse HTML with regex**. The solution is neither easy to comprehend/debug/extend nor practical when you have dedicated libraries to do the **HTML parsing** as alternatives.
+
+
 
 # To do
 
 * Add more languages.
-* Explain why regexes are bad.
-* Explain how fragile regexes are.
+* More explanations of why regexes are bad.
+* More explanations of how fragile regexes are.
 
 # Thanks