diff --git a/sphinx/config.py b/sphinx/config.py
index 15337e924d3..5e8cffb3ec5 100644
--- a/sphinx/config.py
+++ b/sphinx/config.py
@@ -170,7 +170,7 @@ def read(cls, confdir: str, overrides: Dict = None, tags: Tags = None) -> "Confi
         #       (This conversion should not be removed before 2025-01-01).
         if namespace.get("language", ...) is None:
             logger.warning(__("Invalid configuration value found: 'language = None'. "
-                              "Update your configuration to a valid langauge code. "
+                              "Update your configuration to a valid language code. "
                               "Falling back to 'en' (English)."))
             namespace["language"] = "en"
 
diff --git a/tests/test_config.py b/tests/test_config.py
index c0b8864e00d..4dabafc8313 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -411,7 +411,7 @@ def test_conf_py_language_none_warning(logger, tempdir):
     assert logger.warning.called
     assert logger.warning.call_args[0][0] == (
         "Invalid configuration value found: 'language = None'. "
-        "Update your configuration to a valid langauge code. "
+        "Update your configuration to a valid language code. "
         "Falling back to 'en' (English).")