diff --git a/sources/nd2/large_image_source_nd2/__init__.py b/sources/nd2/large_image_source_nd2/__init__.py
index be59e6d71..f61488e5b 100644
--- a/sources/nd2/large_image_source_nd2/__init__.py
+++ b/sources/nd2/large_image_source_nd2/__init__.py
@@ -100,7 +100,7 @@ def diffObj(obj1, obj2):
 
 class ND2FileTileSource(FileTileSource, metaclass=LruCacheMetaclass):
     """
-    Provides tile access to nd2 files the nd2 or nd2reader library can read.
+    Provides tile access to nd2 files the nd2 library can read.
     """
 
     cacheName = 'tilesource'
@@ -138,7 +138,7 @@ def __init__(self, path, **kwargs):
         except Exception:
             if not os.path.isfile(self._largeImagePath):
                 raise TileSourceFileNotFoundError(self._largeImagePath) from None
-            raise TileSourceError('File cannot be opened via nd2reader.')
+            raise TileSourceError('File cannot be opened via the nd2 source.')
         # We use dask to allow lazy reading of large images
         self._nd2array = self._nd2.to_dask(copy=False, wrapper=False)  # ##DWM::
         arrayOrder = list(self._nd2.sizes)
diff --git a/sources/nd2/large_image_source_nd2/girder_source.py b/sources/nd2/large_image_source_nd2/girder_source.py
index 5450b5885..91ca5b08e 100644
--- a/sources/nd2/large_image_source_nd2/girder_source.py
+++ b/sources/nd2/large_image_source_nd2/girder_source.py
@@ -22,13 +22,10 @@
 class ND2GirderTileSource(ND2FileTileSource, GirderTileSource):
     """
     Provides tile access to Girder items with an ND2 file or other files that
-    the nd2reader library can read.
+    the nd2 library can read.
     """
 
     cacheName = 'tilesource'
     name = 'nd2'
 
-    def mayHaveAdjacentFiles(self, largeImageFile):
-        # As of nd2reader 3.3.0, the extension is required to be nd2.  Set this
-        # to true to ensure the extension appears as expected.
-        return True
+    _mayHaveAdjacentFiles = True