-Wget works under almost all modern Unix variants and, unlike many of
-its predecessors, is written entirely in C, thus requiring no
-additional software (like perl). As Wget uses the GNU Autoconf, it is
-easily built on and ported to other Unix's. Installation procedure is
-described in the INSTALL file.
+Wget works under almost all Unix variants in use today and, unlike
+many of its historical predecessors, is written entirely in C, thus
+requiring no additional software, such as Perl. The external software
+it does work with, such as OpenSSL, is optional. As Wget uses the GNU
+Autoconf, it is easily built on and ported to new Unix-like systems.
+The installation procedure is described in the INSTALL file.