diff --git a/src/bundles/pdb/bundle_info.xml b/src/bundles/pdb/bundle_info.xml
index 86c6f3f..8d83dd9 100644
--- a/src/bundles/pdb/bundle_info.xml
+++ b/src/bundles/pdb/bundle_info.xml
@@ -53,7 +53,7 @@
     <ChimeraXClassifier>DataFormat :: PDB :: :: Molecular structure :: .pdb,.pdb1,.ent,.pqr :: :: http://www.wwpdb.org/documentation/file-format :: :: :: Protein Databank Format (PDB)</ChimeraXClassifier>
     <ChimeraXClassifier>Fetch :: pdb :: PDB :: :: 1a0m ::</ChimeraXClassifier>
     <ChimeraXClassifier>Fetch :: pdbe :: PDB :: :: 1a0m ::</ChimeraXClassifier>
-    <ChimeraXClassifier>Open :: PDB :: PDB :: false :: coordsets:Bool,auto_style:Bool,atomic:Bool,max_models:Int,log_info:Bool,combine_sym_atoms:Bool</ChimeraXClassifier>
+    <ChimeraXClassifier>Open :: PDB :: PDB :: false :: coordsets:Bool,auto_style:Bool,atomic:Bool,max_models:Int,log_info:Bool,combine_sym_atoms:Bool,structure_factors:Bool,over_sampling:Float</ChimeraXClassifier>
     <ChimeraXClassifier>Save :: PDB :: PDB :: false :: models:Models,selected_only:Bool,displayed_only:Bool,all_coordsets:Bool,pqr:Bool,rel_model:Model,serial_numbering:SerialNumbering</ChimeraXClassifier>
   </Classifiers>