Document WSMAN_USER and WSMAN_PASS
diff --git a/man/wsman.1 b/man/wsman.1
index 9b8b44a..4223a0d 100644
--- a/man/wsman.1
+++ b/man/wsman.1
@@ -51,6 +51,8 @@
.TP
\fB\-u\fR, \fB\-\-username=\fR<username>
User name
+Can also be passed by setting the WSMAN_USER environment variable. The
+command line option takes precedence.
.TP
\fB\-g\fR, \fB\-\-path=\fR<path>
Service Path (default: 'wsman')
@@ -60,6 +62,8 @@
.TP
\fB\-p\fR, \fB\-\-password=\fR<password>
User Password
+Can also be passed by setting the WSMAN_PASS environment variable. The
+command line option takes precedence.
.TP
\fB\-h\fR, \fB\-\-hostname=\fR<hostname>
Host name
