docs: Fix capitalization in heading (#1808)
docs: Fix capitalization in heading (#1808)

fixes https://github.com/minio/cookbook/issues/71
balamurugana/mc,abperiasamy/mc,balamurugana/mc,vadmeste/mc,krisis/mc,CarterMcClellan/mc,CarterMcClellan/mc,vadmeste/mc,minio/mc,abperiasamy/mc,minio/mc,krisis/mc