diff --git a/SimpleIni.h b/SimpleIni.h
index 6a959d3..1a9d768 100644
--- a/SimpleIni.h
+++ b/SimpleIni.h
@@ -5,7 +5,7 @@
         <tr><th>File        <td>SimpleIni.h
         <tr><th>Author      <td>Brodie Thiesfield
         <tr><th>Source      <td>https://github.com/brofield/simpleini
-        <tr><th>Version     <td>4.19
+        <tr><th>Version     <td>4.20
     </table>
 
     Jump to the @link CSimpleIniTempl CSimpleIni @endlink interface documentation.
diff --git a/release.txt b/release.txt
new file mode 100644
index 0000000..89a4c34
--- /dev/null
+++ b/release.txt
@@ -0,0 +1,6 @@
+Making a release:
+* update version number in SimpleIni.h
+* update version number in CMakeLists.txt
+* check-in all files
+* make a release "v4.20" etc creating a matching tag
+