test-tool: Document the -t command line option.

diff --git a/test-tool/libguestfs-test-tool.pod b/test-tool/libguestfs-test-tool.pod
index de7d901..5957c88 100644 (file)
--- a/test-tool/libguestfs-test-tool.pod
+++ b/test-tool/libguestfs-test-tool.pod
@@ -52,6 +52,8 @@ full path of the binary to try it.
 If you have compiled qemu from source, point this option at the source
 directory to try it.
 
+=item B<-t N>
+
 =item B<--timeout N>
 
 Set the launch timeout to C<N> seconds.  The default is 120 seconds