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-rw-r--r--Documentation/gitprotocol-v2.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/gitprotocol-v2.txt b/Documentation/gitprotocol-v2.txt
index 0b800abd56..837ea6171e 100644
--- a/Documentation/gitprotocol-v2.txt
+++ b/Documentation/gitprotocol-v2.txt
@@ -346,7 +346,8 @@ the 'wanted-refs' section in the server's response as explained below.
want-ref <ref>
Indicates to the server that the client wants to retrieve a
particular ref, where <ref> is the full name of a ref on the
- server.
+ server. It is a protocol error to send want-ref for the
+ same ref more than once.
If the 'sideband-all' feature is advertised, the following argument can be
included in the client's request: