fix(docs): wrong `GetOrigCaller` usage reference #6600

Job	Run time
Run Main (autocounterd) / Go Build / generated	10s
Run Main (autocounterd) / Go Linter / lint	29s
Run Main (autocounterd) / Go Test / test	31s
Run Main (docker-integration) / Go Build / generated	7s
Run Main (docker-integration) / Go Linter / lint	6s
Run Main (docker-integration) / Go Test / test	17s
Run Main (genproto) / Go Build / generated	10s
Run Main (genproto) / Go Linter / lint	35s
Run Main (genproto) / Go Test / test	37s
Run Main (genstd) / Go Build / generated	4s
Run Main (genstd) / Go Linter / lint	29s
Run Main (genstd) / Go Test / test	26s
Run Main (goscan) / Go Build / generated	4s
Run Main (goscan) / Go Linter / lint	11s
Run Main (goscan) / Go Test / test	15s
Run Main (logos) / Go Build / generated	8s
Run Main (logos) / Go Linter / lint	25s
Run Main (logos) / Go Test / test	53s
Run Main (loop) / Go Build / generated	11s
Run Main (loop) / Go Linter / lint	38s
Run Main (loop) / Go Test / test	46s
	7m 32s

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