diff --git a/20200711113241-haskell.org b/20200711113241-haskell.org
index 8a4f8bd..36017b9 100644
--- a/20200711113241-haskell.org
+++ b/20200711113241-haskell.org
@@ -23,7 +23,7 @@ tools, the Haskell Language Server, and more.
 * REPLs
 - ghci :: The Glasgow Haskell Compiler interactive environment.
 * Language Servers
-- [[https://github.com/haskell/haskell-language-server][hls]] :: The Haskell Language Server
+- [[https://github.com/haskell/haskell-language-server][hls]] :: The Haskell Language Server, the official Haskell LSP implementation.
 * Resources
 ** [[id:7c8bd8bb-3fe8-4c50-8a43-b8a48e482ef5][Haskell Programming from first principles]]
 ** [[https://www.seas.upenn.edu/~cis194/fall16/][CIS 194: Introduction to Haskell (Fall 2016)]]