Update help output in readme.

qvl · May 8, 2017 · 0c9c404 · 0c9c404
1 parent 605ccd8
commit 0c9c404
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/readme.md b/readme.md
@@ -25,7 +25,7 @@ But feel free to [add a new one](#development)!
     Create and deliver plots from your Prometheus metrics.
 
     Save plot to file or send it right to a slack channel.
-    At least one of -slack or -file must be set.
+    One of -slack or -file must be set.
 
 
     Flags:
@@ -37,14 +37,14 @@ But feel free to [add a new one](#development)!
             Optional. Image format. For possible values see: https://godoc.org/github.com/gonum/plot/vg/draw#NewFormattedCanvas (default "png")
       -query string
             Required. PQL query.
-      -range duration
-            Required. Time to look back to. Format: 12h34m56s.
+      -range value
+            Required. Time to look back to. Format: 5d12h34m56s
       -silent
             Optional. Suppress all output.
       -slack string
             Slack API token (https://api.slack.com/docs/oauth-test-tokens). Set to post plot to Slack.
       -time value
-            Required. Time for query (default is now). Format like the default format of the Unix date command. (default Fri Feb 10 14:39:36 CET 2017)
+            Time for query (default is now). Format like the default format of the Unix date command.
       -title string
             Optional. Title of graph. (default "Prometheus metrics")
       -url string