From c93f3d4a4666ee3d6e75aaa43449698615239ef3 Mon Sep 17 00:00:00 2001
From: Egon Willighagen <egon.willighagen@gmail.com>
Date: Sun, 7 Apr 2024 11:49:52 +0200
Subject: [PATCH] A bit more detail, based on the upgrade of SMARTCyp #cdk2024

---
 migration.i.md | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/migration.i.md b/migration.i.md
index 6f4111b..0d9489b 100644
--- a/migration.i.md
+++ b/migration.i.md
@@ -34,7 +34,7 @@ classes are removed. Please use the <class>SilentChemObjectBuilder</class> inste
 The same, of course, applies to all implementation classes. For example,
 <class>NNMolecule</class> is removed.
 
-#### Removal of IMolecule
+#### Removal of IMolecule and IMoleculeSet
 
 The <class>IMolecule</class> interface and all implementing classes have been
 removed. They were practically identical in functionality to the
@@ -43,6 +43,11 @@ removed. They were practically identical in functionality to the
 was found to be complicated, and was therefore removed. Please use the
 <class>IAtomContainer</class> interface instead.
 
+Generally, <class>IMolecule</class>, <class>IMoleculeSet</class>, <class>Molecule</class>,
+and <class>MoleculeSet</class> can be replaced with the 'atomcontainer' equivalents.
+Additionally, for <class>IMoleculeSet</class> you may also have to replace
+use of methods like `getMoleculeCount()` with their matching `getAtomContainerCount()`.
+
 ### Renamed classes and methods
 
 #### Rename of IteratingMDLReader to IteratingSDFReader