diff --git a/docs/source/internal/option_handling.rst b/docs/source/internal/option_handling.rst
index dd76706..e9098bd 100644
--- a/docs/source/internal/option_handling.rst
+++ b/docs/source/internal/option_handling.rst
@@ -67,7 +67,7 @@ example, let's consider a user's list of ignored error codes for a project:
         E251
 
 It makes sense here to allow users to specify the value this way, but, the
-standard libary's :class:`configparser.RawConfigParser` class does returns a
+standard library's :class:`configparser.RawConfigParser` class does returns a
 string that looks like
 
 .. code-block:: python
diff --git a/docs/source/user/using-hooks.rst b/docs/source/user/using-hooks.rst
index f4dcd81..25016d5 100644
--- a/docs/source/user/using-hooks.rst
+++ b/docs/source/user/using-hooks.rst
@@ -21,7 +21,7 @@ Checked-in python files will be passed as positional arguments.  ``flake8``
 will always lint explicitly passed arguments (:option:`flake8 --exclude` has
 no effect).  Instead use ``pre-commit``'s ``exclude: ...`` regex to exclude
 files.  ``pre-commit`` won't ever pass untracked files to ``flake8`` so
-excluding ``.git`` / ``.tox`` / etc. is unnecesary.
+excluding ``.git`` / ``.tox`` / etc. is unnecessary.
 
 .. code-block:: yaml
 
diff --git a/src/flake8/main/application.py b/src/flake8/main/application.py
index e8e63b9..19d7710 100644
--- a/src/flake8/main/application.py
+++ b/src/flake8/main/application.py
@@ -137,9 +137,9 @@ class Application(object):
         """Make our ConfigFileFinder based on preliminary options.
 
         :param str program_name:
-            Name of the current programin (e.g., flake8).
+            Name of the current program (e.g., flake8).
         :param list extra_config_files:
-            List of addtional configuration files to be parsed for
+            List of additional configuration files to be parsed for
             configuration.
         :returns:
             The configuration file finder