Revert "typo fix"

This reverts commit 9ed60d9721c564bab2909c6ed27f4d66406ee026.
Revert "BETA 4"

This reverts commit a824ff80ed00dd7afb5c99093351000c481e3180.
Revert "BETA 4"

This reverts commit d1a4f05b385376dada1d0c3f94182029d73d36ba.