1 files changed, 4 insertions, 1 deletions
diff --git a/metar.1 b/metar.1
index 4932336..17559bb 100644
--- a/metar.1
+++ b/metar.1
@@ -67,7 +67,10 @@ by select the
 of the ICAO station identifiers. If you look at the page with
 the URL above, you will find the prefix for your country.
 .I PREFIX
-may be a regular expression.
+may be a regular expression. These regular expressions are
+listed in
+<https://\:github.com/\:maandree/\:metar/\:blob/\:master/\:prefixes>.
+Note however, this list is not guaranteed to be up to date.
 
 Each station is will be printed on a line, containing the its
 name, country, ICAO station identifier, and location. The