diff --git a/.docs/md/get_modflow.md b/.docs/md/get_modflow.md
index 5e9cd3bcf..f1581376a 100644
--- a/.docs/md/get_modflow.md
+++ b/.docs/md/get_modflow.md
@@ -71,6 +71,8 @@ Other auto-select options are only available if the current user can write files
  - `:system` - use `/usr/local/bin`
  - `:windowsapps` - use `%LOCALAPPDATA%\Microsoft\WindowsApps`
 
+**Note:** on macOS, the Python bin directory for a freshly created `venv` environment may not be detected until the environment is deactivated and reactivated.
+
 ## Selecting a distribution
 
 By default the distribution from the [`MODFLOW-USGS/executables` repository](https://github.com/MODFLOW-USGS/executables) is installed. This includes the MODFLOW 6 binary `mf6` and over 20 other related programs. The utility can also install from the main [MODFLOW 6 repo](https://github.com/MODFLOW-USGS/modflow6) or the [nightly build](https://github.com/MODFLOW-USGS/modflow6-nightly-build) distributions, which contain only: