Merge branch 'main' into spelling

Author: wuliang229

src/google/adk/cli/cli_tools_click.py

@@ -392,8 +392,8 @@ def validate_exclusive(ctx, param, value):
     ),
     help=(
         "The json file that contains a previously saved session (by"
-        "--save_session option). The previous session will be re-displayed. And"
-        " user can continue to interact with the agent."
+        " --save_session option). The previous session will be re-displayed."
+        " And user can continue to interact with the agent."
     ),
     callback=validate_exclusive,
 )