diff --git a/lib/microwaveprop/weather/hrrr_client.ex b/lib/microwaveprop/weather/hrrr_client.ex
index 012b6d17..133d3f28 100644
--- a/lib/microwaveprop/weather/hrrr_client.ex
+++ b/lib/microwaveprop/weather/hrrr_client.ex
@@ -197,7 +197,7 @@ defmodule Microwaveprop.Weather.HrrrClient do
   defp extract_point(grib_binary, lat, lon) do
     case System.find_executable("wgrib2") do
       nil ->
-        {:error, "wgrib2 not found in PATH. Install via: brew install wgrib2"}
+        {:error, "wgrib2 not found in PATH. Build from source: https://www.cpc.ncep.noaa.gov/products/wesley/wgrib2/"}
 
       wgrib2_path ->
         tmp_dir = System.tmp_dir!()