Update blurb and title

posts/2025-06-20-add-a-pygments-lexer-to-chroma.md

@@ -1,5 +1,14 @@
 {
-  blurb: "Add a new lexer to Chroma"
+  title: "Add a Pygments Lexer to Chroma"
+  blurb: "[Pygments][4] and [Chroma][5] are syntax highlighting libraries
+  written in [Python][6] and [Go][7], respecitvely. Chroma is missing a
+  language we like, which Pygments already supports. We add support for our
+  language to Chroma by converting the existing lexer from Pygments.
+
+  [4]: https://github.com/pygments/pygments
+  [5]: https://github.com/alecthomas/chroma
+  [6]: https://www.python.org/
+  [7]: https://go.dev/"
 }
 $index
 
@@ -9,6 +18,7 @@ $index
 syntax highlighter, [Pygments](https://github.com/pygments/pygments), and includes a [script](https://github.com/alecthomas/chroma/blob/484750a96fc430f49d6b69cc2a2a8b7a67691446/_tools/pygments2chroma_xml.py) to help convert Pygments
 lexers for use with Chroma. We describe how below.
 
+
 ## Setup
 
 We're going to be using the `python` and `golang` [Docker][4] images. Docker