diff --git a/src/lib_protocol_environment/sigs/v1/set.mli b/src/lib_protocol_environment/sigs/v1/set.mli
index d4bcee7f9..9b329ba91 100644
--- a/src/lib_protocol_environment/sigs/v1/set.mli
+++ b/src/lib_protocol_environment/sigs/v1/set.mli
@@ -22,7 +22,7 @@
     reasonably efficient: insertion and membership take time
     logarithmic in the size of the set, for instance.
 
-    The [Make] functor constructs implementations for any type, given a
+   The {!Make} functor constructs implementations for any type, given a
     [compare] function.
     For instance:
     {[