diff --git a/README.md b/README.md
index f36e3fa7ecbcbce13ceb47a32a32b50aef1bc138..ede2f8e45720dd6e8f1d22eeaca8758d7ae7cc4f 100755
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ inside the repository root will be used if none is precised in the command line
 
 - Copy source data file and load data into the galaxy container: ```$ python3 /path/to/repo/gga_load_data.py your_input_file.yml -c/--config your_config_file [-v/--verbose]```
 
-- Run a workflow (currently for phaeoexplorer only): ```$ python3 /path/to/repo/run_workflow_phaeoexplorer.py your_input_file.yml -c/--config your_config_file [-v/--verbose] ->/--workflow your_workflow``` 
+- Run a workflow (currently for phaeoexplorer only): ```$ python3 /path/to/repo/run_workflow_phaeoexplorer.py your_input_file.yml -c/--config your_config_file [-v/--verbose] -w/--workflow your_workflow``` 
 
 **Warning: the "input file" and "config file" have to be the same for the 3 steps!**