chore: Fix typo of psycopg2 in comment (#12526)

This is the first example in the documentation of a particular connector, which mgith result in copy+pastes, resulting in an error

diff --git a/lib/sqlalchemy/dialects/postgresql/base.py b/lib/sqlalchemy/dialects/postgresql/base.py
index e64b018db5357fe836dcb087230ee97cfb9dc5f3..864445026baabfdbb254278c07d1599ee7554444 100644 (file)
--- a/lib/sqlalchemy/dialects/postgresql/base.py
+++ b/lib/sqlalchemy/dialects/postgresql/base.py
@@ -266,7 +266,7 @@ will remain consistent with the state of the transaction::
     from sqlalchemy import event
 
     postgresql_engine = create_engine(
-        "postgresql+pyscopg2://scott:tiger@hostname/dbname",
+        "postgresql+psycopg2://scott:tiger@hostname/dbname",
         # disable default reset-on-return scheme
         pool_reset_on_return=None,
     )