Update command line example
I understand that it's only an example, but I think that it's clearer when it's a valid one.
@@ -165,7 +165,7 @@ Here you have some examples:
* Scan all files in the */foo* directory and its subdirectories::
- yara -r /foo
+ yara /foo/bar/rules -r /foo
* Defines three external variables *mybool*, *myint* and *mystring*::
