diff --git a/home/darwin/shell.nix b/home/darwin/shell.nix
index b4f107f8..3f5edb09 100644
--- a/home/darwin/shell.nix
+++ b/home/darwin/shell.nix
@@ -2,6 +2,7 @@ let
   envExtra = ''
     export PATH="$PATH:/opt/homebrew/bin:/usr/local/bin"
   '';
+  # copied from the content generated by `conda init bash`
   initExtra = ''
     arch=$(uname -m)