fix various doc typos #3320
diff --git a/Doc/c-api/conversion.rst b/Doc/c-api/conversion.rst
index 400fb2c..5a747ef 100644
--- a/Doc/c-api/conversion.rst
+++ b/Doc/c-api/conversion.rst
@@ -89,15 +89,15 @@
.. cfunction:: char * PyOS_stricmp(char *s1, char *s2)
- Case insensitive comparsion of strings. The functions works almost
- identical to :cfunc:`strcmp` except that it ignores the case.
+ Case insensitive comparison of strings. The function works almost
+ identically to :cfunc:`strcmp` except that it ignores the case.
.. versionadded:: 2.6
.. cfunction:: char * PyOS_strnicmp(char *s1, char *s2, Py_ssize_t size)
- Case insensitive comparsion of strings. The functions works almost
- identical to :cfunc:`strncmp` except that it ignores the case.
+ Case insensitive comparison of strings. The function works almost
+ identically to :cfunc:`strncmp` except that it ignores the case.
.. versionadded:: 2.6