Warn about ghc-mod

README.md

@@ -6,6 +6,14 @@
 
 <br />
 
+### Notice: this project is broken
+
+Due to the fragile Haskell ecosystem, most notably ghc-mod, this vim configuration no longer works. You'll just spend lots of time waiting for its helper binaries to build, and be left with used disk space and regret.
+
+<hr />
+
+### Original readme:
+
 In less than **ten minutes** your Vim will transform into a beautiful
 Haskell paradise.  (Don't worry, it backs up your original
 configuration to `~/.config/haskell-vim-now/backup/.vimrc.yearmonthdate_time`.) It also builds all necessary support binaries