Update examples/docking-protein-ligand-centered/docking-protein-ligand-centered-test.cfg

Co-authored-by: Victor Reys <132575181+VGPReys@users.noreply.github.com>

Author: amjjbonvin

examples/docking-protein-ligand-centered/docking-protein-ligand-centered-test.cfg

@@ -21,6 +21,7 @@ autohis = true
 [rigidbody]
 sampling = 5
 tolerance = 20
+# Setting the `separate` parameter to false to keep the 
 separate = false
 randrot = true
 ambig_fname = "./data/ambig_active.tbl"