Fix misspelling.
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;
         }