From 6b818b5bc5af6241a69b6386acce7082fedeb44f Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Fri, 7 Jul 2017 19:27:49 -0500
Subject: [PATCH] Doc fixes for GA

---
 pymbolic/geometric_algebra/primitives.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pymbolic/geometric_algebra/primitives.py b/pymbolic/geometric_algebra/primitives.py
index 036194c..8d7948d 100644
--- a/pymbolic/geometric_algebra/primitives.py
+++ b/pymbolic/geometric_algebra/primitives.py
@@ -79,9 +79,11 @@ class DerivativeSource(_GeometricCalculusExpression):
 
 
 class Derivative(object):
-    """
+    """This mechanism cannot be used to take more than one derivative at a time.
+
     .. autoproperty:: nabla
     .. automethod:: __call__
+    .. automethod:: dnabla
     .. automethod:: resolve
     """
     _next_id = [0]
-- 
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