The +TREEs and other specifications are convolved.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
 mg-repro-setup | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mg-repro-setup b/mg-repro-setup
index 5a52e617..9a81c565 100755
--- a/mg-repro-setup
+++ b/mg-repro-setup
@@ -45,8 +45,7 @@ usage () { cat <<END
 
  REBUILD is
    --rebuild [-B<blessing>] [-r...]
-             [.BUILDJOB | =BUILDJOBRUNVAR...]
-             +TREE=URL#REVISION...
+             [.BUILDJOB | =BUILDJOBRUNVAR | +TREE=URL#REVISION ...]
        Also use a different build.  Specifically, use URL and REVISION
        for certain builds which mention TREE and which are referenced 
        (directly) in the job JOB in EXAMPLE-FLIGHT.  The affected builds
@@ -55,7 +54,7 @@ usage () { cat <<END
        name is any of the BUILDJOB (in which case all references to that
        job are adjusted).  If no .BUILDJOB and no =BUILDJOBRUNVAR are
        specified, then all jobs referred to from the example JOB
-       which mention TREE are affected.
+       which mention a TREE are affected.
 
        For example,
            --rebuild =xenbuildjob \
-- 
2.11.0


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