add missing -d flag to subfinder example

content/1.workflows/1.syntax.md

@@ -48,7 +48,7 @@ The editor however does contain a basic syntax, so you can leverage autocomplete
 
 ### `scans`
 
-Each workflow is made of one or more `scans`. Each scan has a unique name, which is a key in the scans object. 
+Each workflow is made of one or more `scans`. Each scan has a unique name, which is a key in the scans object.
 
 You can have the unlimited number of scans, as long as their names are unique.
 
@@ -121,15 +121,15 @@ scans:
     uploads:
       - subfinder.out
     steps:
-      - run: subfinder ${{ var.DOMAIN }} > subfinder.out
+      - run: subfinder -d ${{ var.DOMAIN }} > subfinder.out
         shell: bash
   probe-subdomains:
     on:
       expr: assetfinder is done and subfinder is done
     steps:
       # Prepare a list of subdomains
       - run: cat ${{ job.assetfinder }}/assetfinder.out > subdomains.txt
-        shell: bash 
+        shell: bash
       - run: cat ${{ job.subfinder }}/subfinder.out >> subdomains.txt
         shell: bash
       - run: sort -o subdomains.txt -u subdomains.txt