Done day 4

[advent-of-code-21.git] / README.md

diff --git a/README.md b/README.md
index 935b9387d264c128ecb74c698235692b7c0e7c95..f7151b3343de5e14b7c2d78cb9195d5d8fb49c8a 100644 (file)
--- a/README.md
+++ b/README.md
@@ -18,6 +18,8 @@ Install Ghcup following [the instructions](https://www.haskell.org/ghcup/install
 source /home/neil/.ghcup/env
 ```
 
+and then set the default GHC to use with `ghcup set ghc 9.0.1` .
+
 Install [Haskell Language Server](https://haskell-language-server.readthedocs.io/en/latest/configuration.html) for Sublime Text