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-rw-r--r--doc/guix.texi4
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index d2cd11576f..a79bbfc4f7 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -7483,6 +7483,10 @@ value in the absolute file name of @var{file} within the @var{output}
directory of @var{package}. When @var{file} is omitted, return the name
of the @var{output} directory of @var{package}. When @var{target} is
true, use it as a cross-compilation target triplet.
+
+Note that this procedure does @emph{not} build @var{package}. Thus, the
+result might or might not designate an existing file. We recommend not
+using this procedure unless you know what you are doing.
@end deffn
@deffn {Monadic Procedure} package->derivation @var{package} [@var{system}]