#11515: fix several typos. Patch by Piotr Kasprzyk.
diff --git a/Objects/bytearrayobject.c b/Objects/bytearrayobject.c
index 8609395..6c64b57 100644
--- a/Objects/bytearrayobject.c
+++ b/Objects/bytearrayobject.c
@@ -2291,7 +2291,7 @@
     if (it == NULL)
         return NULL;
 
-    /* Try to determine the length of the argument. 32 is abitrary. */
+    /* Try to determine the length of the argument. 32 is arbitrary. */
     buf_size = _PyObject_LengthHint(arg, 32);
     if (buf_size == -1) {
         Py_DECREF(it);