Minor grammar fix for capitalisation in session docs

(cherry picked from commit 3bd58fac7b607007cb42ab7e41d2e2d01fc390e2)

diff --git a/doc/build/orm/session_transaction.rst b/doc/build/orm/session_transaction.rst
index e197eb715cfeae579163beee5eb07c903c0fc1a1..e27c1511862130b788a1e58dec9d5ff9434564ac 100644 (file)
--- a/doc/build/orm/session_transaction.rst
+++ b/doc/build/orm/session_transaction.rst
@@ -277,7 +277,7 @@ transactions set the flag ``twophase=True`` on the session::
 Setting Transaction Isolation Levels
 ------------------------------------
 
-:term:`isolation` refers to the behavior of the transaction at the database
+:term:`Isolation` refers to the behavior of the transaction at the database
 level in relation to other transactions occurring concurrently.  There
 are four well-known modes of isolation, and typically the Python DBAPI
 allows these to be set on a per-connection basis, either through explicit