From e3a1b9bee27f03fac6481c0acbbc1b391a14978e Mon Sep 17 00:00:00 2001
From: kgoebber <kevin.goebbert@valpo.edu>
Date: Sat, 5 Oct 2019 22:41:36 -0500
Subject: [PATCH] fix divergence unit requirement

---
 src/metpy/calc/kinematics.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/metpy/calc/kinematics.py b/src/metpy/calc/kinematics.py
index 9984e5e42cf..9b3e0ee8a93 100644
--- a/src/metpy/calc/kinematics.py
+++ b/src/metpy/calc/kinematics.py
@@ -128,9 +128,9 @@ def vorticity(u, v, dx, dy):
 @exporter.export
 @preprocess_xarray
 @ensure_yx_order
-@check_units('[speed]', '[speed]', '[length]', '[length]')
+@check_units(dx='[length]', dy='[length]')
 def divergence(u, v, dx, dy):
-    r"""Calculate the horizontal divergence of the horizontal wind.
+    r"""Calculate the horizontal divergence of a vector.
 
     Parameters
     ----------