Tweak AutoMerge comment formatting and wording #1154

Job	Run time
Documentation	2m 5s
Doctests	1m 55s
Unit/Julia 1.3/ubuntu-latest/x64	8m 19s
Unit/Julia 1.4/ubuntu-latest/x64	8m 45s
Unit/Julia 1.5/ubuntu-latest/x64	7m 44s
Unit/Julia 1.6/ubuntu-latest/x64	5m 17s
Unit/Julia 1.7/ubuntu-latest/x64	5m 55s
Unit/Julia 1.8/ubuntu-latest/x64	5m 5s
Unit/Julia 1/ubuntu-latest/x64	5m 4s
Unit/Julia nightly/ubuntu-latest/x64	1m 27s
	51m 36s

Provide feedback