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-rw-r--r--docs/megolm.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/megolm.rst b/docs/megolm.rst
index 03ee426..b5a4b5f 100644
--- a/docs/megolm.rst
+++ b/docs/megolm.rst
@@ -96,7 +96,7 @@ from :math:`R_{i,0}`.
The complete ratchet value, :math:`R_{i}`, is hashed to generate the keys used
to encrypt each message. This scheme allows the ratchet to be advanced an
-arbitrary amount forwards while needing at most 1023 hash computations. A
+arbitrary amount forwards while needing at most 1020 hash computations. A
client can decrypt chat history onwards from the earliest value of the ratchet
it is aware of, but cannot decrypt history from before that point without
reversing the hash function.