diff --git a/htdocs/langs/en_US/companies.lang b/htdocs/langs/en_US/companies.lang
index f457f06043f..effc78166ba 100644
--- a/htdocs/langs/en_US/companies.lang
+++ b/htdocs/langs/en_US/companies.lang
@@ -20,16 +20,16 @@ IdThirdParty=Id third party
 IdCompany=Company Id
 IdContact=Contact Id
 Contacts=Contacts/Addresses
-ThirdPartyContacts=Third party contacts
-ThirdPartyContact=Third party contact/address
+ThirdPartyContacts=Third-party contacts
+ThirdPartyContact=Third-party contact/address
 Company=Company
 CompanyName=Company name
 AliasNames=Alias name (commercial, trademark, ...)
 AliasNameShort=Alias Name
 Companies=Companies
 CountryIsInEEC=Country is inside the European Economic Community
-ThirdPartyName=Third Party Name
-ThirdPartyEmail=Third party email
+ThirdPartyName=Third-Party Name
+ThirdPartyEmail=Third-party email
 ThirdParty=Third Party
 ThirdParties=Third Parties
 ThirdPartyProspects=Prospects
@@ -79,7 +79,7 @@ DefaultLang=Language default
 VATIsUsed=Sales tax used
 VATIsUsedWhenSelling=This defines if this third party includes a sale tax or not when it makes an invoice to its own customers
 VATIsNotUsed=Sales tax is not used
-CopyAddressFromSoc=Copy address from Third Party details
+CopyAddressFromSoc=Copy address from Third-Party details
 ThirdpartyNotCustomerNotSupplierSoNoRef=Third party neither customer nor supplier, no available referring objects
 ThirdpartyIsNeitherCustomerNorClientSoCannotHaveDiscounts=Third party neither customer nor supplier, discounts are not available
 PaymentBankAccount=Payment bank account