Corrected some typos in the description of the predicates specified in the "metap" library protocol.
Corrected some typos in the description of the predicates specified in the "metap" library protocol.

git-svn-id: 4c7b768bc2e2a56aa1c56b1b5a9454ba68342430@5201 ac9c905b-388a-4ddf-9b6a-4063a022bc57

LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2,LogtalkDotOrg/logtalk2