If any directories are named on the command line, then those are
processed in turn. If not, then the B<SSL_CERT_DIR> environment variable
-is consulted; this shold be a colon-separated list of directories,
+is consulted; this should be a colon-separated list of directories,
like the Unix B<PATH> variable.
If that is not set then the default directory (installation-specific
but often B</usr/local/ssl/certs>) is processed.