Fixed a typo in the lambda list of the docstring for REPLACE.
Fixed a typo in the lambda list of the docstring for REPLACE.

clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL