diff --git a/ome_zarr/reader.py b/ome_zarr/reader.py
index adca5fa2..1b4fe034 100644
--- a/ome_zarr/reader.py
+++ b/ome_zarr/reader.py
@@ -91,7 +91,7 @@ def add(
 
         Returns None if the node has already been processed.
 
-        By setting prepend, the addition will be considered as higher priority
+        By setting prepend, the addition will be considered to be a higher priority
         node which will likely be turned into a lower layer for display.
 
         By unsetting visible, the node (and in turn the layer) can be