diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6ae925227..d6e5562b1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,6 +20,15 @@ repos:
       - id: check-yaml
       - id: debug-statements
 
+  - repo: local
+    hooks:
+      - id: doubled-word
+        name: doubled word
+        language: pygrep
+        entry: \b([A-Za-z]+)[ \t]+\1\b
+        types: [text]
+        exclude: ^tests/data/
+
   - repo: https://github.com/astral-sh/ruff-pre-commit
     rev: v0.16.1
     hooks:
diff --git a/demos/hydroshare/USGS_WaterData_Samples_Examples.ipynb b/demos/hydroshare/USGS_WaterData_Samples_Examples.ipynb
index c7b90846a..804b88a7c 100644
--- a/demos/hydroshare/USGS_WaterData_Samples_Examples.ipynb
+++ b/demos/hydroshare/USGS_WaterData_Samples_Examples.ipynb
@@ -100,7 +100,7 @@
     "        A user supplied characteristic name describing one or more results.\n",
     "        Use `get_codes(code_service=\"observedproperty\")` for all possible inputs.\n",
     "* **boundingBox**: list of four floats, optional\n",
-    "        Filters on the the associated monitoring location's point location\n",
+    "        Filters on the associated monitoring location's point location\n",
     "        by checking if it is located within the specified geographic area. \n",
     "        The logic is inclusive, i.e. it will include locations that overlap\n",
     "        with the edge of the bounding box. Values are separated by commas,\n",
diff --git a/tests/configuration_test.py b/tests/configuration_test.py
index c0b6775e3..891114fe8 100644
--- a/tests/configuration_test.py
+++ b/tests/configuration_test.py
@@ -1025,9 +1025,9 @@ def test_broken_config_does_not_break_unrelated_services(config_file):
 def test_default_config_path_follows_a_changed_home(tmp_path, monkeypatch):
     """The default path derives from the home variable, so the memo watches it.
 
-    Which variable that is is platform-specific: ``ntpath.expanduser`` reads
-    ``USERPROFILE`` and ignores ``HOME``, so setting ``HOME`` on Windows moves
-    nothing and this asserted against the runner's real home directory.
+    Which variable that is depends on the platform: ``ntpath.expanduser``
+    reads ``USERPROFILE`` and ignores ``HOME``, so setting ``HOME`` on Windows
+    moves nothing and this asserted against the runner's real home directory.
     """
     home_var = "USERPROFILE" if os.name == "nt" else "HOME"
     monkeypatch.delenv(configuration.CONFIG_PATH_ENV, raising=False)