diff --git a/readchar/_config.py b/readchar/_config.py
index 2658d32..f744efe 100644
--- a/readchar/_config.py
+++ b/readchar/_config.py
@@ -4,7 +4,7 @@
 
 
 class config:
-    """Static class that containes Constants used throughout the libary.
+    """Static class that contains Constants used throughout the library.
     You can directly use the class-attributes, do not create instances of it!"""
 
     def __new__(cls):
diff --git a/readchar/_posix_key.py b/readchar/_posix_key.py
index 5b2d74b..a3cdbcd 100644
--- a/readchar/_posix_key.py
+++ b/readchar/_posix_key.py
@@ -18,7 +18,7 @@
 PAGE_UP = "\x1b\x5b\x35\x7e"
 PAGE_DOWN = "\x1b\x5b\x36\x7e"
 
-# funcion keys
+# function keys
 F1 = "\x1b\x4f\x50"
 F2 = "\x1b\x4f\x51"
 F3 = "\x1b\x4f\x52"
diff --git a/readchar/_win_key.py b/readchar/_win_key.py
index f02934a..d91a55f 100644
--- a/readchar/_win_key.py
+++ b/readchar/_win_key.py
@@ -27,7 +27,7 @@
 PAGE_UP = "\x00\x49"
 PAGE_DOWN = "\x00\x51"
 
-# funcion keys
+# function keys
 F1 = "\x00\x3b"
 F2 = "\x00\x3c"
 F3 = "\x00\x3d"
diff --git a/readchar/key.py b/readchar/key.py
index 356af73..359f3f0 100644
--- a/readchar/key.py
+++ b/readchar/key.py
@@ -1,6 +1,6 @@
 # flake8: noqa E401,E403
-# this file exists only for backwards compatability
-# it allow the use of `import readchar.key`
+# this file exists only for backwards compatibility
+# it allows the use of `import readchar.key`
 
 from . import platform
 
diff --git a/tests/manual-test.py b/tests/manual-test.py
index 9c35649..5c8f5f6 100644
--- a/tests/manual-test.py
+++ b/tests/manual-test.py
@@ -1,3 +1,4 @@
+# flake8: noqa E231
 from readchar import key, readkey