diff --git a/lam/HISTORY b/lam/HISTORY
index 57d4627d..9976b14a 100644
--- a/lam/HISTORY
+++ b/lam/HISTORY
@@ -4,6 +4,7 @@ December 2019 7.0
   - YubiKey: support to configure multiple verification servers
   - Deactivated non-maintained translations: Catalan, Czech, Hungarian, Polish and Turkish
     Contact us if you would like to take over. Translators get LAM Pro for free (commercial use included).
+  - Docker updates
   - Fixed bugs:
    -> Missing CSS for Duo
    -> Editing of DNs with comma on Windows (210)
diff --git a/lam/docs/manual-sources/chapter-installation.xml b/lam/docs/manual-sources/chapter-installation.xml
index 5528d3ce..d570c1d2 100644
--- a/lam/docs/manual-sources/chapter-installation.xml
+++ b/lam/docs/manual-sources/chapter-installation.xml
@@ -318,6 +318,10 @@
 
       <para>You can run LAM inside Docker.</para>
 
+      <para>Possible environment variables are documented in the <ulink
+      url="https://github.com/LDAPAccountManager/lam/blob/develop/lam-packaging/docker/.env">sample
+      .env</ulink> file.</para>
+
       <para>See here:</para>
 
       <para><ulink