Fix misspelling.

Doc/c-api/conversion.rst

@@ -83,11 +83,11 @@ The following functions provide locale-independent string to number conversions.
    
 .. cfunction:: char * PyOS_stricmp(char *s1, char *s2)
 
-   Case insensitive comparsion of strings. The functions works almost
+   Case insensitive comparison of strings. The functions works almost
    identical to :cfunc:`strcmp` except that it ignores the case.
 
 
 .. cfunction:: char * PyOS_strnicmp(char *s1, char *s2, Py_ssize_t  size)
 
-   Case insensitive comparsion of strings. The functions works almost
+   Case insensitive comparison of strings. The functions works almost
    identical to :cfunc:`strncmp` except that it ignores the case.

Objects/bytearrayobject.c

@@ -947,7 +947,7 @@ bytes_richcompare(PyObject *self, PyObject *other, int op)
         PyObject_IsInstance(other, (PyObject*)&PyUnicode_Type)) {
         if (Py_BytesWarningFlag && op == Py_EQ) {
             if (PyErr_WarnEx(PyExc_BytesWarning,
-                            "Comparsion between bytearray and string", 1))
+                            "Comparison between bytearray and string", 1))
                 return NULL;
         }
 

Objects/bytesobject.c

@@ -818,7 +818,7 @@ string_richcompare(PyBytesObject *a, PyBytesObject *b, int op)
 		    PyObject_IsInstance((PyObject*)b,
 					 (PyObject*)&PyUnicode_Type))) {
 			if (PyErr_WarnEx(PyExc_BytesWarning,
-				    "Comparsion between bytes and string", 1))
+				    "Comparison between bytes and string", 1))
 				return NULL;
 		}
 		result = Py_NotImplemented;