diff --git a/Doc/c-api/conversion.rst b/Doc/c-api/conversion.rst
index 8fc424d..f926094 100644
--- a/Doc/c-api/conversion.rst
+++ b/Doc/c-api/conversion.rst
@@ -83,11 +83,11 @@
    
 .. 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.
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 1442c72..75a8eef 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -947,7 +947,7 @@
         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;
         }
 
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index b64178d..3f22e7c 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -818,7 +818,7 @@
 		    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;