Avoid confusion caused by differing example configuration files.

Signed-off-by: Elliott Mitchell <ehem+xen@m5p.com>
---
 tools/examples/xlexample.pvhlinux | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/examples/xlexample.pvhlinux b/tools/examples/xlexample.pvhlinux
index 1e9bcb9de5..e1bf845093 100644
--- a/tools/examples/xlexample.pvhlinux
+++ b/tools/examples/xlexample.pvhlinux
@@ -28,6 +28,11 @@ extra = "root=/dev/xvda1"
 # Initial memory allocation (MB)
 memory = 384
 
+# Maximum memory (MB)
+# If this is greater than `memory' then the slack will start ballooned
+# (this assumes guest kernel support for ballooning)
+#maxmem = 512
+
 # Number of VCPUS
 vcpus = 3
 
-- 
2.30.2