fix typo

3 files changed, 3 insertions, 3 deletions

diff --git a/sphinx/util/__init__.py b/sphinx/util/__init__.py
index a864bb97a..082c5caa3 100644
--- a/sphinx/util/__init__.py
+++ b/sphinx/util/__init__.py
@@ -328,7 +328,7 @@ def get_full_modname(modname: str, attribute: str) -> str:
         return None
     module = import_module(modname)
 
-    # Allow an attribute to have multiple parts and incidentially allow
+    # Allow an attribute to have multiple parts and incidentally allow
     # repeated .s in the attribute.
     value = module
     for attr in attribute.split('.'):
diff --git a/sphinx/util/compat.py b/sphinx/util/compat.py
index 4923343ae..7c55c4ec7 100644
--- a/sphinx/util/compat.py
+++ b/sphinx/util/compat.py
@@ -27,7 +27,7 @@ def register_application_for_autosummary(app: "Sphinx") -> None:
     """Register application object to autosummary module.
 
     Since Sphinx-1.7, documenters and attrgetters are registered into
-    applicaiton object.  As a result, the arguments of
+    application object.  As a result, the arguments of
     ``get_documenter()`` has been changed.  To keep compatibility,
     this handler registers application object to the module.
     """
diff --git a/sphinx/util/docutils.py b/sphinx/util/docutils.py
index 1f8fabf23..ce299d27a 100644
--- a/sphinx/util/docutils.py
+++ b/sphinx/util/docutils.py
@@ -497,7 +497,7 @@ def new_document(source_path: str, settings: Any = None) -> nodes.document:
     """Return a new empty document object.  This is an alternative of docutils'.
 
     This is a simple wrapper for ``docutils.utils.new_document()``.  It
-    caches the result of docutils' and use it on second call for instanciation.
+    caches the result of docutils' and use it on second call for instantiation.
     This makes an instantiation of document nodes much faster.
     """
     global __document_cache__