diff --git a/docs/index.md b/docs/index.md
index 428d6b0573..2f0469d057 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -604,7 +604,7 @@ Options:
    --format, -f 	Format the output using the given go template.
 ```
 
-By default, this will render all results in a JSON array. If a format is
+By default, this will render information about a machine as JSON. If a format is
 specified, the given template will be executed for each result.
 
 Go's [text/template](http://golang.org/pkg/text/template/) package