Clarify expectations of false positives/negatives (#27964)
Clarify expectations of false positives/negatives (#27964)

Today this part of the documentation just says that Geo queries are not 100% 
accurate, but in fact we can be more precise about which kinds of queries see
which kinds of error. This commit clarifies this point.

vroyer/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,strapdata/elassandra,vroyer/elassandra,vroyer/elassandra