path: root/modules/pam_cracklib/README
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diff --git a/modules/pam_cracklib/README b/modules/pam_cracklib/README
index 89e80318..25ec00b4 100644
--- a/modules/pam_cracklib/README
+++ b/modules/pam_cracklib/README
@@ -152,6 +152,14 @@ ocredit=N
(N < 0) This is the minimum number of other characters that must be met for
a new password.
+ The minimum number of required classes of characters for the new password.
+ The default number is zero. The four classes are digits, upper and lower
+ letters and other characters. The difference to the credit check is that a
+ specific class if of characters is not required. Instead N out of four of
+ the classes are required.
This argument is used to force the module to not prompt the user for a new