diff --git a/dev/translation/sanity_check_en_langfiles.php b/dev/translation/sanity_check_en_langfiles.php
index 66da0eebb41cecf628e9de40c0b1892472232f7e..d947dc846c9be8fe93f8b7ee073674ffc681e4c3 100755
--- a/dev/translation/sanity_check_en_langfiles.php
+++ b/dev/translation/sanity_check_en_langfiles.php
@@ -297,6 +297,8 @@ if ((! empty($_REQUEST['unused']) && $_REQUEST['unused'] == 'true') || (isset($a
 	    // boxes.lang
 	    if (preg_match('/^BoxTitleLast/', $value)) $qualifiedforclean=0;
 	    if (preg_match('/^BoxTitleLatest/', $value)) $qualifiedforclean=0;
+	    // install.lang
+	    if (preg_match('/^KeepDefaultValues/', $value)) $qualifiedforclean=0;
 	    // main.lang
 	    if (preg_match('/^Duration/', $value)) $qualifiedforclean=0;
 	    if (preg_match('/^FormatDate/', $value)) $qualifiedforclean=0;
diff --git a/htdocs/langs/et_EE/install.lang b/htdocs/langs/et_EE/install.lang
index 817f47c770b8da1c00d3c58a74dcc0f97772da27..0fc0a7228a4d7c9b97bb915797cf7b0ca80dc65d 100644
--- a/htdocs/langs/et_EE/install.lang
+++ b/htdocs/langs/et_EE/install.lang
@@ -132,6 +132,10 @@ ActivateModule=Aktiveeri moodul %s
 ShowEditTechnicalParameters=Klõpsa siia lisaparameetrite näitamiseks/muutmiseks (spetsialisti režiim)
 WarningUpgrade=Warning:\nDid your run a database backup first ?\nThis is highly recommanded: for example, due to some bugs into databases systems (for example mysql version 5.5.40/41/42/43), some data or tables may be lost during this process, so it is highly recommanded to have a complete dump of your database before starting migration.\n\nClick OK to start migration process...
 ErrorDatabaseVersionForbiddenForMigration=Sinu andmebaasi versioon on %s. Selles versioonis on tõsine puuk, mis põhjustab andmebaasi struktuuri muutmisel andmekadu, nagu seda teeb migratsiooni protsess. Seega ei ole migratsioon lubatud seni, kuni uuendad oma andmebaasi parandustega versioonile (teadaolevate vigaste versioonide nimekiri: %s)
+KeepDefaultValuesWamp=You use the Dolibarr setup wizard from DoliWamp, so values proposed here are already optimized. Change them only if you know what you do.
+KeepDefaultValuesDeb=You use the Dolibarr setup wizard from a Linux package (Ubuntu, Debian, Fedora...), so values proposed here are already optimized. Only the password of the database owner to create must be completed. Change other parameters only if you know what you do.
+KeepDefaultValuesMamp=You use the Dolibarr setup wizard from DoliMamp, so values proposed here are already optimized. Change them only if you know what you do.
+KeepDefaultValuesProxmox=You use the Dolibarr setup wizard from a Proxmox virtual appliance, so values proposed here are already optimized. Change them only if you know what you do.
 
 #########
 # upgrade