Refactor spy function documentation for clarity (#1112) #1974

Job	Run time
docker_build (linux/amd64)	5m 16s
docker_build (linux/arm/v7)	5m 39s
compile_and_lint	1m 32s
test (mysql, mysql, mysql://root:[email protected]/sqlpage)	1m 19s
windows_test	2m 39s
docker_build (linux/arm64)	5m 31s
test (odbc, postgres, Driver=PostgreSQL Unicode;Server=127.0.0.1;Port=5432;Database=sqlpage;UID=r...	1m 47s
test (mssql, mssql, mssql://root:[email protected]/sqlpage)	1m 57s
test (postgres, postgres, postgres://root:[email protected]/sqlpage)	1m 31s
docker_push	21s
	27m 32s

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