diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 0e50023..c9ba9f7 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -219,7 +219,7 @@
         return _days_in_month[month];
 }
 
-/* year, month -> number of days in year preceeding first day of month */
+/* year, month -> number of days in year preceding first day of month */
 static int
 days_before_month(int year, int month)
 {
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 47977ec..9b8b042 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -6520,7 +6520,7 @@
 other custom object that meets this interface.
 
 Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
-which are used to control compatiblity support for pickle stream
+which are used to control compatibility support for pickle stream
 generated by Python 2.  If *fix_imports* is True, pickle will try to
 map the old Python 2 names to the new names used in Python 3.  The
 *encoding* and *errors* tell pickle how to decode 8-bit string
@@ -6533,7 +6533,7 @@
 _pickle_Unpickler___init___impl(UnpicklerObject *self, PyObject *file,
                                 int fix_imports, const char *encoding,
                                 const char *errors)
-/*[clinic end generated code: output=e2c8ce748edc57b0 input=04ece661aa884837]*/
+/*[clinic end generated code: output=e2c8ce748edc57b0 input=f9b7da04f5f4f335]*/
 {
     _Py_IDENTIFIER(persistent_load);
 
@@ -7066,7 +7066,7 @@
 other custom object that meets this interface.
 
 Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
-which are used to control compatiblity support for pickle stream
+which are used to control compatibility support for pickle stream
 generated by Python 2.  If *fix_imports* is True, pickle will try to
 map the old Python 2 names to the new names used in Python 3.  The
 *encoding* and *errors* tell pickle how to decode 8-bit string
@@ -7078,7 +7078,7 @@
 static PyObject *
 _pickle_load_impl(PyModuleDef *module, PyObject *file, int fix_imports,
                   const char *encoding, const char *errors)
-/*[clinic end generated code: output=798f1c57cb2b4eb1 input=2df7c7a1e6742204]*/
+/*[clinic end generated code: output=798f1c57cb2b4eb1 input=01b44dd3fc07afa7]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();
@@ -7120,7 +7120,7 @@
 representation are ignored.
 
 Optional keyword arguments are *fix_imports*, *encoding* and *errors*,
-which are used to control compatiblity support for pickle stream
+which are used to control compatibility support for pickle stream
 generated by Python 2.  If *fix_imports* is True, pickle will try to
 map the old Python 2 names to the new names used in Python 3.  The
 *encoding* and *errors* tell pickle how to decode 8-bit string
@@ -7132,7 +7132,7 @@
 static PyObject *
 _pickle_loads_impl(PyModuleDef *module, PyObject *data, int fix_imports,
                    const char *encoding, const char *errors)
-/*[clinic end generated code: output=61e9cdb01e36a736 input=f57f0fdaa2b4cb8b]*/
+/*[clinic end generated code: output=61e9cdb01e36a736 input=70605948a719feb9]*/
 {
     PyObject *result;
     UnpicklerObject *unpickler = _Unpickler_New();
diff --git a/Modules/clinic/_pickle.c.h b/Modules/clinic/_pickle.c.h
index a9f0c42..ab4d205 100644
--- a/Modules/clinic/_pickle.c.h
+++ b/Modules/clinic/_pickle.c.h
@@ -264,7 +264,7 @@
 "other custom object that meets this interface.\n"
 "\n"
 "Optional keyword arguments are *fix_imports*, *encoding* and *errors*,\n"
-"which are used to control compatiblity support for pickle stream\n"
+"which are used to control compatibility support for pickle stream\n"
 "generated by Python 2.  If *fix_imports* is True, pickle will try to\n"
 "map the old Python 2 names to the new names used in Python 3.  The\n"
 "*encoding* and *errors* tell pickle how to decode 8-bit string\n"
@@ -466,7 +466,7 @@
 "other custom object that meets this interface.\n"
 "\n"
 "Optional keyword arguments are *fix_imports*, *encoding* and *errors*,\n"
-"which are used to control compatiblity support for pickle stream\n"
+"which are used to control compatibility support for pickle stream\n"
 "generated by Python 2.  If *fix_imports* is True, pickle will try to\n"
 "map the old Python 2 names to the new names used in Python 3.  The\n"
 "*encoding* and *errors* tell pickle how to decode 8-bit string\n"
@@ -512,7 +512,7 @@
 "representation are ignored.\n"
 "\n"
 "Optional keyword arguments are *fix_imports*, *encoding* and *errors*,\n"
-"which are used to control compatiblity support for pickle stream\n"
+"which are used to control compatibility support for pickle stream\n"
 "generated by Python 2.  If *fix_imports* is True, pickle will try to\n"
 "map the old Python 2 names to the new names used in Python 3.  The\n"
 "*encoding* and *errors* tell pickle how to decode 8-bit string\n"
@@ -545,4 +545,4 @@
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=aecd61660d1cf31d input=a9049054013a1b77]*/
+/*[clinic end generated code: output=a7169d4fbbeef827 input=a9049054013a1b77]*/
diff --git a/Modules/sha256module.c b/Modules/sha256module.c
index 8c4def0..70c2b5b 100644
--- a/Modules/sha256module.c
+++ b/Modules/sha256module.c
@@ -100,7 +100,7 @@
  * algorithms in a highly modular and flexible manner.
  *
  * The library is free for all purposes without any express
- * gurantee it works.
+ * guarantee it works.
  *
  * Tom St Denis, tomstdenis@iahu.ca, http://libtom.org
  */
diff --git a/Modules/sha512module.c b/Modules/sha512module.c
index 8237d86..76942aa 100644
--- a/Modules/sha512module.c
+++ b/Modules/sha512module.c
@@ -111,7 +111,7 @@
  * algorithms in a highly modular and flexible manner.
  *
  * The library is free for all purposes without any express
- * gurantee it works.
+ * guarantee it works.
  *
  * Tom St Denis, tomstdenis@iahu.ca, http://libtom.org
  */