-[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP]
-[\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install]
-[\-visual \fIvisual\fP] [\-delay \fIusecs\fP] [\-radius \fIpixels\fP]
+[\-display \fIhost:display.screen\fP]
+[\-foreground \fIcolor\fP]
+[\-background \fIcolor\fP]
+[\-window]
+[\-root]
+[\-mono]
+[\-install]
+[\-visual \fIvisual\fP]
+[\-delay \fIusecs\fP]
+[\-duration \fIsecs\fP]
+[\-fps]