diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index f528c23818b..a5f81fb11a5 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -902,7 +902,7 @@ DictionaryVAT=VAT Rates or Sales Tax Rates
 DictionaryRevenueStamp=Amount of tax stamps
 DictionaryPaymentConditions=Payment terms
 DictionaryPaymentModes=Payment modes
-DictionaryTypeContact=Contact address types
+DictionaryTypeContact=Contacts/addresses types
 DictionaryTypeOfContainer=Type of website pages/containers
 DictionaryEcotaxe=Ecotax (WEEE)
 DictionaryPaperFormat=Paper formats
@@ -1142,7 +1142,7 @@ ExtraFieldsLinesRec=Complementary attributes (templates invoices lines)
 ExtraFieldsSupplierOrdersLines=Complementary attributes (order lines)
 ExtraFieldsSupplierInvoicesLines=Complementary attributes (invoice lines)
 ExtraFieldsThirdParties=Complementary attributes (thirdparty)
-ExtraFieldsContacts=Complementary attributes (contact address)
+ExtraFieldsContacts=Complementary attributes (contacts/address)
 ExtraFieldsMember=Complementary attributes (member)
 ExtraFieldsMemberType=Complementary attributes (member type)
 ExtraFieldsCustomerInvoices=Complementary attributes (invoices)
@@ -1702,7 +1702,7 @@ ListOfNotificationsPerUser=List of notifications per user*
 ListOfNotificationsPerUserOrContact=List of notifications per user* or per contact**
 ListOfFixedNotifications=List of fixed notifications
 GoOntoUserCardToAddMore=Go to the tab "Notifications" of a user to add or remove notifications for users
-GoOntoContactCardToAddMore=Go on the tab "Notifications" of a third party to add or remove notifications for contact addresses
+GoOntoContactCardToAddMore=Go on the tab "Notifications" of a third party to add or remove notifications for contacts/addresses
 Threshold=Threshold
 BackupDumpWizard=Wizard to build database backup dump file
 SomethingMakeInstallFromWebNotPossible=Installation of external module is not possible from the web interface for the following reason:
diff --git a/htdocs/langs/en_US/bills.lang b/htdocs/langs/en_US/bills.lang
index 9e3d2a4af98..ed988d580e2 100644
--- a/htdocs/langs/en_US/bills.lang
+++ b/htdocs/langs/en_US/bills.lang
@@ -465,7 +465,7 @@ Cheques=Checks
 DepositId=Id deposit
 NbCheque=Number of checks
 CreditNoteConvertedIntoDiscount=This %s has been converted into %s
-UsBillingContactAsIncoiveRecipientIfExist=Use customer billing contact address instead of third party address as recipient for invoices
+UsBillingContactAsIncoiveRecipientIfExist=Use contact/address with type 'billing contact' instead of third party address as recipient for invoices
 ShowUnpaidAll=Show all unpaid invoices
 ShowUnpaidLateOnly=Show late unpaid invoices only
 PaymentInvoiceRef=Payment invoice %s
diff --git a/htdocs/langs/en_US/propal.lang b/htdocs/langs/en_US/propal.lang
index fd1240e3ea6..c258381ea85 100644
--- a/htdocs/langs/en_US/propal.lang
+++ b/htdocs/langs/en_US/propal.lang
@@ -55,7 +55,7 @@ NoDraftProposals=No draft proposals
 CopyPropalFrom=Create commercial proposal by copying existing proposal
 CreateEmptyPropal=Create empty commercial proposal or from list of products/services
 DefaultProposalDurationValidity=Default commercial proposal validity duration (in days)
-UseCustomerContactAsPropalRecipientIfExist=Use customer contact address if defined instead of third party address as proposal recipient address
+UseCustomerContactAsPropalRecipientIfExist=Use contact/address with type 'Contact following-up proposal' if defined instead of third party address as proposal recipient address
 ClonePropal=Clone commercial proposal
 ConfirmClonePropal=Are you sure you want to clone the commercial proposal <b>%s</b>?
 ConfirmReOpenProp=Are you sure you want to open back the commercial proposal <b>%s</b>?