minor #18769 [Lock] small typo (tugmaks)

This PR was merged into the 5.4 branch.

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[Lock] small typo

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422acb3 [Lock] small typo

Author: javiereguiluz

components/lock.rst

@@ -944,7 +944,7 @@ have synchronized clocks.
 PostgreSqlStore
 ~~~~~~~~~~~~~~~
 
-The PdoStore relies on the `Advisory Locks`_ properties of the PostgreSQL
+The PostgreSqlStore relies on the `Advisory Locks`_ properties of the PostgreSQL
 database. That means that by using :ref:`PostgreSqlStore <lock-store-pgsql>`
 the locks will be automatically released at the end of the session in case the
 client cannot unlock for any reason.