diff --git a/model_server/base/roiset.py b/model_server/base/roiset.py
index 0ed42890feb3c092678dc10b204d4a6e912ad19b..c220c215a6dda7b51b99c8c8ace4c1622b1e7b76 100644
--- a/model_server/base/roiset.py
+++ b/model_server/base/roiset.py
@@ -296,7 +296,7 @@ class RoiSet(object):
         """
         A set of regions of interest, referenced by their positions and contours in the YXCZ space of stack acc_raw.
         RoiSet contains their internal state, which may be exported as patches, maps, and other products by export methods.
-        :param acc_raw: accessor to a generally a multichannel z-stack
+        :param acc_raw: accessor to a generally multichannel z-stack
         :param df: dataframe containing at minimum bounding box and segmentation mask information
         :param params: optional arguments that influence the definition and representation of ROIs
         """
@@ -318,12 +318,12 @@ class RoiSet(object):
             params: RoiSetMetaParams = RoiSetMetaParams(),
     ):
         """
-
-        :param acc_raw:
+        Create an RoiSet from an object identities map
+        :param acc_raw: accessor to a generally a multichannel z-stack
         :param acc_obj_ids: accessor to a 2D single-channel object identities map, where each pixel's intensity
             labels its membership in a connected object
-        :param params:
-        :return:
+        :param params: optional arguments that influence the definition and representation of ROIs
+        :return: RoiSet object
         """
         assert acc_obj_ids.chroma == 1
 
@@ -344,6 +344,13 @@ class RoiSet(object):
         yxhw_list: List,
         params: RoiSetMetaParams = RoiSetMetaParams()
     ):
+        """
+        Create and RoiSet from bounding boxes
+        :param acc_raw:
+        :param yxhw_list: list of bounding boxing coordinates [corner X, corner Y, height, width]
+        :param params: optional arguments that influence the definition and representation of ROIs
+        :return: RoiSet object
+        """
         df = pd.DataFrame([
             {
                 'y0': yxhw[0],