1 files changed, 3 insertions, 1 deletions
diff --git a/README.md b/README.md
index 9dd1f6a..91711b8 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,9 @@ action, or a way to look inside archives.
 make && make install
 ```
 
-`make` builds `./krino`; Go fetches the module dependencies itself. `make
+`make` builds `./krino`; Go fetches the module dependencies itself, and the
+Go toolchain `go.mod` names (on OpenBSD, whose `go` package defaults to
+`GOTOOLCHAIN=local`, run `GOTOOLCHAIN=auto make`). `make
 install` puts the binary in `$PREFIX/bin` (default `~/.local/bin`), the man
 pages in `$PREFIX/share/man`, and the examples and `docs/sexp-primer.md` in
 `$PREFIX/share/doc/krino`.