X-Git-Url: https://git.auder.net/?p=erdiag.git;a=blobdiff_plain;f=README.md;h=ef279e629813bb4a962e719a5dc1b75d1e2a8d63;hp=f4e75d1f3cfd3bbfad39a19c35a6cc3a742878af;hb=7a80e6db5860033f0a922d54cc0ba3e950f4f268;hpb=0133e929ace3b602f7e280b5a8ed119836dc8172

diff --git a/README.md b/README.md
index f4e75d1..ef279e6 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,12 @@ Cardinality dictionary:
 
 Special cardinalities are also available to indicate relative identification: `?R` and `1R`.
 
+And, in case of a self-relationship, symbols '>' and '<' can indicate the sense, as in
+
+	{manage}
+	Users *>
+	Users 1<
+
 To mark a weak entity, just surround its name by extra-brackets
 
 	[[WeakEntity]]