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-rw-r--r--doc/guix.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 85e8243015..2997978582 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -5439,7 +5439,9 @@ facility is implemented in the @code{(gnu packages)} module.
@cindex customization, of packages
@cindex package module search path
Users can store package definitions in modules with different
-names---e.g., @code{(my-packages emacs)}. These package definitions
+names---e.g., @code{(my-packages emacs)}@footnote{Note that the file
+name and module name must match. @xref{Modules and the File System,,,
+guile, GNU Guile Reference Manual}, for details.} These package definitions
will not be visible by default. Thus, users can invoke commands such as
@command{guix package} and @command{guix build} have to be used with the
@code{-e} option so that they know where to find the package, or use the