
Update comment.

- Quadratic behavior is not limited to IE6
- Add recommendation to use appendParams

R=nicksantos
DELTA=4  (2 added, 0 deleted, 2 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4111


yamadatomonori/closure-library,yamadatomonori/closure-library,yamadatomonori/closure-library