Small wording update from Larry.

Modules/operator.c

@@ -217,7 +217,7 @@ PyDoc_STRVAR(compare_digest__doc__,
 "or any type that supports the buffer protocol (e.g. bytes).\n"
 "\n"
 "Note: If a and b are of different lengths, or if an error occurs,\n"
-"a timing attack may be able to infer information about the types\n"
+"a timing attack may be able to reveal information about the types\n"
 "and lengths of a and b, but not their values.\n");
 
 static PyObject*