man/labgrid-client: fix set-tag argument

Signed-off-by: Bastian Krause <bst@pengutronix.de>

Author: Bastian-Krause

man/labgrid-client.1

@@ -157,7 +157,7 @@ matches anything.
 .sp
 \fBset\-comment\fP comment         Update or set the place comment
 .sp
-\fBset\-tags\fP comment            Set place tags (key=value)
+\fBset\-tags\fP key=value          Set place tags (key=value)
 .sp
 \fBadd\-match\fP match             Add one (or multiple) match pattern(s) to a place, see MATCHES
 .sp

man/labgrid-client.rst

@@ -152,7 +152,7 @@ LABGRID-CLIENT COMMANDS
 
 ``set-comment`` comment         Update or set the place comment
 
-``set-tags`` comment            Set place tags (key=value)
+``set-tags`` key=value          Set place tags (key=value)
 
 ``add-match`` match             Add one (or multiple) match pattern(s) to a place, see MATCHES