[PATCH] trivial: Remove extra character in configure help

[Christophe de Dinechin]

Signed-off-by: Christophe de Dinechin <dinechin@redhat.com>
---
 configure | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure b/configure
index ba88fd1824..c7a6a5adfe 100755
--- a/configure
+++ b/configure
@@ -1787,7 +1787,7 @@ Advanced options (experts only):
   --block-drv-ro-whitelist=L
                            set block driver read-only whitelist
                            (affects only QEMU, not qemu-img)
-  --enable-trace-backends=B Set trace backend
+  --enable-trace-backends= Set trace backend
                            Available backends: $trace_backend_list
   --with-trace-file=NAME   Full PATH,NAME of file to store traces
                            Default:trace-<pid>
-- 
2.26.2