doc: Fixed typo.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>

diff --git a/doc/architecture.rst b/doc/architecture.rst
index 9f57bbbd58aeda76e1ea60d0ce2f04e03c2c32f3..988475f53b672d3188198bc986a0f97f55f7767a 100644 (file)
--- a/doc/architecture.rst
+++ b/doc/architecture.rst
@@ -387,7 +387,7 @@ steps to compute PG IDs.
 #. CRUSH calculates the hash modulo the number of OSDs. (e.g., ``0x58``) to get 
    a PG ID.
 #. CRUSH gets the pool ID given the pool name (e.g., "liverpool" = ``4``)
-#. CRUSH prepends the pool ID to the pool ID to the PG ID (e.g., ``4.0x58``).
+#. CRUSH prepends the pool ID to the PG ID (e.g., ``4.0x58``).
 
 Computing object locations is much faster than performing object location query
 over a chatty session. The :abbr:`CRUSH (Controlled Replication Under Scalable