From 5363c5036b97407442b1c5f279e9c0eceac57fc0 Mon Sep 17 00:00:00 2001
From: Jeff Whitaker <jswhit@fastmail.fm>
Date: Tue, 16 Jan 2024 12:35:59 -0700
Subject: [PATCH] update

---
 src/pygrib/_pygrib.pyx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pygrib/_pygrib.pyx b/src/pygrib/_pygrib.pyx
index b55bbfc5..d0b825f1 100644
--- a/src/pygrib/_pygrib.pyx
+++ b/src/pygrib/_pygrib.pyx
@@ -222,7 +222,8 @@ def redtoreg(redgrid_data, lonsperlat, missval=None):
     (default NaN).
 
     Takes 1-d array on ECMWF reduced gaussian grid, linearly interpolates to corresponding
-    regular gaussian grid."""
+    regular gaussian grid (with max(lonsperlat) longitudes). If any values equal missing value,
+    a masked array is returned."""
     if missval is None:
         missval = np.nan
     datarr = _redtoreg(lonsperlat.max(),lonsperlat,redgrid_data,missval)