Fix typo in _sqlite/module.h

Modules/_sqlite/module.h

@@ -42,7 +42,7 @@ extern PyObject* pysqlite_NotSupportedError;
 extern PyObject* time_time;
 extern PyObject* time_sleep;
 
-/* A dictionary, mapping colum types (INTEGER, VARCHAR, etc.) to converter
+/* A dictionary, mapping column types (INTEGER, VARCHAR, etc.) to converter
  * functions, that convert the SQL value to the appropriate Python value.
  * The key is uppercase.
  */