Add note about limits for hidden text annotations in H2 tags
Add note about limits for hidden text annotations in H2 tags

harvard-lil/h2o,harvard-lil/h2o,emmalemma/h2o,emmalemma/h2o,emmalemma/h2o,harvard-lil/h2o,emmalemma/h2o,harvard-lil/h2o