Closes #2517 Attempt to clarify datasets in template: ad_adsl.R #3772

Job	Run time
Get R version	1s
Version Bump 🤜🤛	0s
Links / Validate Links	6s
Check / (release)	6m 37s
Check / (devel)	51s
Check / (oldrel)	6m 44s
Documentation	0s
Validation	0s
Lint / Lint	2m 38s
Code Coverage / Test Coverage	4m 8s
Man Pages / Roxygen	1m 32s
Spelling / Spellcheck	1m 9s
Code Style / Code Style	1m 5s
Check Templates / Verify	3m 50s
Code Coverage / Generate badge for coverage	5s
	28m 46s

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