Minor doc fixes please merge (#4633) #2267

Job	Run time
check-proto-changes-python	1m 26s
docs-example-check (./packages/autogen-core)	2m 5s
docs (./packages/autogen-core)	1m 20s
format	48s
lint	47s
mypy (./packages/autogen-core)	2m 10s
pyright (./packages/autogen-core)	57s
mypy (./packages/autogen-magentic-one)	1m 14s
test (./packages/autogen-core)	1m 1s
pyright (./packages/autogen-magentic-one)	1m 13s
mypy (./packages/agbench)	1m 8s
test (./packages/autogen-magentic-one)	1m 34s
pyright (./packages/agbench)	1m 6s
mypy (./packages/autogen-ext)	1m 57s
pyright (./packages/autogen-ext)	1m 14s
test (./packages/autogen-ext)	2m 7s
pyright (./packages/autogen-agentchat)	1m 4s
mypy (./packages/autogen-agentchat)	1m 13s
test (./packages/autogen-agentchat)	55s
	25m 19s

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