fixed README

README.md

@@ -32,19 +32,21 @@ Sample configs must not be used in the code.
 The main executable of the aggregator module is `data.py`. You can type `./data.py -h` for more help.
 
 ```
-usage: data.py [-h] [-t {text,pdf}] JOBID
+usage: data.py [-h] [-t {text,pdf,all}] [-o [OUTPUT_DIR]] JOBID
 
-Gets the job information required for generating text or PDF reports
-and outputs it in JSON format.
+Gets the job information required for generating text or PDF reports and
+outputs it in JSON format.
 
 positional arguments:
   JOBID                 job ID used in the batch system
 
 optional arguments:
   -h, --help            show this help message and exit
-  -t {text,pdf}, --type {text,pdf}
-
+  -t {text,pdf,all}, --type {text,pdf,all}
                         type of the output (default: text)
+  -o [OUTPUT_DIR], --output-dir [OUTPUT_DIR]
+
+                        output directory (default: None)
 ```
 
 ## Get test output