docs: specify a domain class name when securityConfigType is Requestmap #1294

Job	Run time
coreTests	7m 20s
functionalTests (annotation)	1m 25s
functionalTests (static)	1m 17s
functionalTests (requestmap)	1m 33s
functionalTests (misc)	1m 18s
functionalTests (basic)	1m 21s
functionalTests (issue503)	52s
functionalTests (basicCacheUsers)	1m 20s
functionalTests (bcrypt)	1m 23s
functionalTests (putWithParams)	1m 0s
publish	0s
	18m 49s

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