Add codespell and fix error

Author: mwcraig

.pre-commit-config.yaml

@@ -38,3 +38,9 @@ repos:
     rev: 25.1.0
     hooks:
     -   id: black
+
+# per the documentation this should add codespell spell checking
+- repo: https://github.com/codespell-project/codespell
+  rev: v2.4.1
+  hooks:
+  - id: codespell

src/astro_image_display_api/widget_api_test.py

@@ -471,7 +471,7 @@ def test_load_catalog_does_not_modify_input_catalog(self, catalog):
         assert (catalog == orig_tab).all()
 
     def test_load_multiple_catalogs(self, catalog):
-        # Load and get mulitple catalogs
+        # Load and get multiple catalogs
         # Add a catalog
         self.image.load_catalog(
             catalog,