pkg-*.mk: add some comments, update some existing comments
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/package/pkg-download.mk b/package/pkg-download.mk
index a565ae6..ccf819e 100644
--- a/package/pkg-download.mk
+++ b/package/pkg-download.mk
@@ -1,3 +1,12 @@
+############################################################################
+#
+# This file contains the download helpers for the various package
+# infrastructures. It is used to handle downloads from HTTP servers,
+# FTP servers, Git repositories, Subversion repositories, Mercurial
+# repositories, Bazaar repositories, and SCP servers.
+#
+############################################################################
+
# Download method commands
WGET:=$(call qstrip,$(BR2_WGET)) $(QUIET)
SVN:=$(call qstrip,$(BR2_SVN))
