\section{\class{wxFilterInputStream}}\label{wxfilterinputstream}
A filter stream has the capability of a normal stream but it can be placed on top
-of another stream. So, for example, it can uncompress, uncrypt the datas which are read
+of another stream. So, for example, it can uncompress or uncrypt the data which are read
from another stream and pass it to the requester.
\wxheading{Derived from}
\wxheading{Note}
-The use of this class is exactly the same as of wxInputStream. Only a constructor
+The interface of this class is the same as that of wxInputStream. Only a constructor
differs and it is documented below.
% -----------