diff --git a/src/aind_exaspim_soma_detection/soma_proposal_generation.py b/src/aind_exaspim_soma_detection/soma_proposal_generation.py
index eb97aa0..af231b1 100644
--- a/src/aind_exaspim_soma_detection/soma_proposal_generation.py
+++ b/src/aind_exaspim_soma_detection/soma_proposal_generation.py
@@ -122,7 +122,7 @@ def generate_proposals(
     Parameters
     ----------
     img : zarr.core.Array
-        A 3D array representing a 3D image of a whole brain.
+        Array representing a 3D image of a whole brain.
     offset : Tuple[int]
         The offset of the image patch to be extracted from "img". Note that
         proposals will be generated within this image patch.