diff --git a/etc/defaults/make.conf b/etc/defaults/make.conf
index 30b44fa7795..9e9d66978c9 100644
--- a/etc/defaults/make.conf
+++ b/etc/defaults/make.conf
@@ -201,7 +201,7 @@ BDECFLAGS=	-W -Wall -ansi -pedantic -Wbad-function-cast -Wcast-align \
 #
 # If you're behind a firewall and need FTP or HTTP proxy services for
 # ports collection fetching to work, the following examples give the
-# necessary syntax.
+# necessary syntax.  See the fetch(3) man page for details.
 #
 #FTP_PROXY=      10.0.0.1:21
 #HTTP_PROXY=     10.0.0.1:80
diff --git a/share/examples/etc/make.conf b/share/examples/etc/make.conf
index 30b44fa7795..9e9d66978c9 100644
--- a/share/examples/etc/make.conf
+++ b/share/examples/etc/make.conf
@@ -201,7 +201,7 @@ BDECFLAGS=	-W -Wall -ansi -pedantic -Wbad-function-cast -Wcast-align \
 #
 # If you're behind a firewall and need FTP or HTTP proxy services for
 # ports collection fetching to work, the following examples give the
-# necessary syntax.
+# necessary syntax.  See the fetch(3) man page for details.
 #
 #FTP_PROXY=      10.0.0.1:21
 #HTTP_PROXY=     10.0.0.1:80