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diff --git a/doc/guix.texi b/doc/guix.texi
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--- a/doc/guix.texi
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@@ -6358,6 +6358,19 @@ are many packages, though, for which it lacks a method to determine
whether a new upstream release is available. However, the mechanism is
extensible, so feel free to get in touch with us to add a new method!
+Sometimes the upstream name differs from the package name used in Guix,
+and @command{guix refresh} needs a little help. Most updaters honor the
+@code{upstream-name} property in package definitions, which can be used
+to that effect:
+
+@example
+(define-public network-manager
+ (package
+ (name "network-manager")
+ ;; @dots{}
+ (properties '((upstream-name . "NetworkManager")))))
+@end example
+
When passed @code{--update}, it modifies distribution source files to
update the version numbers and source tarball hashes of those package
recipes (@pxref{Defining Packages}). This is achieved by downloading