1 files changed, 3 insertions, 1 deletions
diff --git a/docs/env.sh b/docs/env.sh
index 39513cf0d..3b0f24927 100644
@@ -1,4 +1,6 @@
+# This shell fragment is intended for use in `bash` or `zsh`. While it
+# may work in other shells it is not meant to, and any misbehaviour is not
+# considered a bug in that case.
# NetSurf Library, tool and browser development support script