Comment change

Author: efimov-mikhail

Include/internal/pycore_backoff.h

@@ -40,7 +40,7 @@ extern "C" {
     ((_Py_BackoffCounter){ .value_and_backoff = (value << BACKOFF_BITS) | backoff })
 
 // We only use values x and backoffs b such that
-// x + 1 is prime and is near to 2**(2*b+1).
+// x + 1 is near to 2**(2*b+1) and x + 1 is prime.
 static const _Py_BackoffCounter backoff_counter_table[] = {
     MAKE_BACKOFF_COUNTER(1, 0),
     MAKE_BACKOFF_COUNTER(6, 1),