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	diff --git a/documentation/content/en/books/porters-handbook/special/_index.adoc b/documentation/content/en/books/porters-handbook/special/_index.adoc
	--- a/documentation/content/en/books/porters-handbook/special/_index.adoc
	+++ b/documentation/content/en/books/porters-handbook/special/_index.adoc
	@@ -990,6 +990,34 @@
	will install `dnscrypt-proxy` to `${PREFIX}/sbin`.
	====

	+[[overriding-go-mod]]
	+.Overriding go.mod in Modules Mode
	+[example]
	+====
	+During the fetch phase, modules-aware mode (that is, `USES=go:modules`) obtains sources for dependent packages by fetching the port's [.filename]#go.mod# and then immediately running `go mod download` against it.
	+Because the fetch phase occurs long before patching, regular patches in [.filename]#files/# are applied far too late to affect those dependency resolution and fetch steps.
	+
	+While patching the upstream [.filename]#go.mod# to alter dependencies isn't possible at this time, you can still override it by listing another [.filename]#go.mod# as a second distfile.
	+
	+[.programlisting]
	+....
	+PORTNAME= miller
	+DISTVERSIONPREFIX= v
	+DISTVERSION= 6.17.0
	+CATEGORIES= textproc
	+MASTER_SITES= https://raw.githubusercontent.com/johnkerl/${PORTNAME}/${DISTVERSIONFULL}/:gomod
	+
	+DISTFILES= go.mod:gomod
	+....
	+
	+To override [.filename]#go.sum# as well, just add it to `DISTFILES`:
	+
	+[.programlisting]
	+....
	+DISTFILES= go.mod:gomod go.sum:gomod
	+....
	+====
	+
	[[using-cabal]]
	=== Building Haskell Applications with `cabal`