docs: naming of subtable.location was outdated

subtable.go

@@ -18,8 +18,8 @@ type subtable[K, V any] struct {
 	compare        EqualFunc[K]
 }
 
-// location determines where in the bucket a certain key would be placed. If the
+// location determines where in the subtable a certain key would be placed. If
-// capacity is 0, this will panic.
+// the capacity is 0, this will panic.
 func (t *subtable[K, V]) location(key K) uint64 {
 	return t.hash(key) % t.capacity
 }