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-rw-r--r--docs/topics/auth/passwords.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/topics/auth/passwords.txt b/docs/topics/auth/passwords.txt
index 578d917cf4..aaeb929d81 100644
--- a/docs/topics/auth/passwords.txt
+++ b/docs/topics/auth/passwords.txt
@@ -232,6 +232,12 @@ follows:
Pick a ``time_cost`` that takes an acceptable time for you.
If ``time_cost`` set to 1 is unacceptably slow, lower ``memory_cost``.
+.. admonition:: ``memory_cost`` interpretation
+
+ The argon2 command-line utility and some other libraries interpret the
+ ``memory_cost`` parameter differently from the value that Django uses. The
+ conversion is given by ``memory_cost == 2 ** memory_cost_commandline``.
+
.. _password-upgrades:
Password upgrading