[PATCH] clarify RRDeleteOutputProperty for immutable properties

[Luc Verhaegen]

Signed-off-by: Luc Verhaegen <libv at skynet.be>
---
 randrproto.txt |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/randrproto.txt b/randrproto.txt
index e90b1cd..8841d31 100644
--- a/randrproto.txt
+++ b/randrproto.txt
@@ -866,9 +866,11 @@ dynamic changes in the display environment.
 └───
 	Errors: Atom, Output
 
-	This request deletes the property from the specified window if the
-	property exists and generates a OutputPropertyNotify event unless
-	the property does not exist.
+	This request deletes the property from the specified output and
+	generates a OutputPropertyNotify event.
+
+	If the specified property does not exist, a Match error is returned. If
+	the property is marked 'immutable', an Access error is returned.
 
 ┌───
     RRGetOutputProperty
-- 
1.7.0.4