Fix (just to be safe) to sample extensions doc. trying to fix annoying maruku warning.
Fix (just to be safe) to sample extensions doc. trying to fix annoying maruku warning.

Signed-off-by: Shwetank Dixit <8aef42b2972f98095f01124c399e014fd8eb0664@gmail.com>

shwetank/extension-docs,shwetank/extension-docs