Update usage

1 files changed, 3 insertions, 3 deletions

diff --git a/bin/dnsviz b/bin/dnsviz
index bdd441c..aa422bb 100755
--- a/bin/dnsviz
+++ b/bin/dnsviz
@@ -32,10 +32,10 @@ def usage(err=None):
     sys.stderr.write('''%sUsage: dnsviz command [args]
 Commands:
     probe          - issue diagnostic DNS queries
-    grok           - process diagnostic DNS queries to serialized output
-    graph          - process diagnostic DNS queries to graphical output
+    grok           - assess diagnostic DNS queries
+    graph          - graph the assessment of diagnostic DNS queries
     print          - process diagnostic DNS queries to textual output
-    query          - issue and process a DNS query to textual output
+    query          - assess a DNS query
     help           - show usage for a command
 ''' % (err))