fix processors class docs hyperlink (issue #593) #760

Job	Run time
linters (3.9, ubuntu-latest)	1m 0s
Testing on Python 3.8 (ubuntu-latest)	1m 6s
Testing on Python 3.8 (macOS-latest)	1m 15s
Testing on Python 3.8 (windows-latest)	2m 29s
Testing on Python 3.9 (ubuntu-latest)	53s
Testing on Python 3.9 (macOS-latest)	1m 14s
Testing on Python 3.9 (windows-latest)	2m 34s
Testing on Python 3.10 (ubuntu-latest)	52s
Testing on Python 3.10 (macOS-latest)	1m 42s
Testing on Python 3.10 (windows-latest)	2m 28s
Testing on Python 3.11 (ubuntu-latest)	59s
Testing on Python 3.11 (macOS-latest)	1m 30s
Testing on Python 3.11 (windows-latest)	2m 37s
	20m 39s

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