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-rw-r--r--src/libutil/config-impl.hh3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libutil/config-impl.hh b/src/libutil/config-impl.hh
index b6cae5ec3..d9726a907 100644
--- a/src/libutil/config-impl.hh
+++ b/src/libutil/config-impl.hh
@@ -4,6 +4,9 @@
*
* Template implementations (as opposed to mere declarations).
*
+ * This file is an exmample of the "impl.hh" pattern. See the
+ * contributing guide.
+ *
* One only needs to include this when one is declaring a
* `BaseClass<CustomType>` setting, or as derived class of such an
* instantiation.