diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index 9bffc29f5bf..d22e27c1cbf 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -116,7 +116,7 @@ LanguageBrowserParameter=Parameter %s
 LocalisationDolibarrParameters=Localisation parameters
 ClientTZ=Client Time Zone (user)
 ClientHour=Client time (user)
-OSTZ=Servre OS Time Zone
+OSTZ=Server OS Time Zone
 PHPTZ=PHP server Time Zone
 PHPServerOffsetWithGreenwich=PHP server offset width Greenwich (seconds)
 ClientOffsetWithGreenwich=Client/Browser offset width Greenwich (seconds)
@@ -369,9 +369,9 @@ ExtrafieldSelectList = Select from table
 ExtrafieldSeparator=Separator
 ExtrafieldCheckBox=Checkbox
 ExtrafieldRadio=Radio button
-ExtrafieldParamHelpselect=Parameters list have to be like key,value<br><br> for exemple : <br>1,value1<br>2,value2<br>3,value3<br>...<br><br>In order to have the list depending on another :<br>1,value1|parent_list_code:parent_key<br>2,value2|parent_list_code:parent_key
-ExtrafieldParamHelpcheckbox=Parameters list have to be like key,value<br><br> for exemple : <br>1,value1<br>2,value2<br>3,value3<br>...
-ExtrafieldParamHelpradio=Parameters list have to be like key,value<br><br> for exemple : <br>1,value1<br>2,value2<br>3,value3<br>...
+ExtrafieldParamHelpselect=Parameters list have to be like key,value<br><br> for example : <br>1,value1<br>2,value2<br>3,value3<br>...<br><br>In order to have the list depending on another :<br>1,value1|parent_list_code:parent_key<br>2,value2|parent_list_code:parent_key
+ExtrafieldParamHelpcheckbox=Parameters list have to be like key,value<br><br> for example : <br>1,value1<br>2,value2<br>3,value3<br>...
+ExtrafieldParamHelpradio=Parameters list have to be like key,value<br><br> for example : <br>1,value1<br>2,value2<br>3,value3<br>...
 ExtrafieldParamHelpsellist=Parameters list comes from a table<br>Syntax : table_name:label_field:id_field::filter<br>Example : c_typent:libelle:id::filter<br><br>filter can be a simple test (eg active=1) to display only active value <br> if you want to filter on extrafields use syntaxt  extra.fieldcode=... (where field code is the code of extrafield)<br><br>In order to have the list depending on another :<br>c_typent:libelle:id:parent_list_code|parent_column:filter  
 LibraryToBuildPDF=Library used to build PDF
 WarningUsingFPDF=Warning: Your <b>conf.php</b> contains directive <b>dolibarr_pdf_force_fpdf=1</b>. This means you use the FPDF library to generate PDF files. This library is old and does not support a lot of features (Unicode, image transparency, cyrillic, arab and asiatic languages, ...), so you may experience errors during PDF generation.<br>To solve this and have a full support of PDF generation, please download <a href="http://www.tcpdf.org/" target="_blank">TCPDF library</a>, then comment or remove the line <b>$dolibarr_pdf_force_fpdf=1</b>, and add instead <b>$dolibarr_lib_TCPDF_PATH='path_to_TCPDF_dir'</b>   
@@ -472,7 +472,7 @@ Module410Desc=Webcalendar integration
 Module500Name=Special expenses (tax, social contributions, dividends)
 Module500Desc=Management of special expenses like taxes, social contribution, dividends and salaries
 Module510Name=Salaries
-Module510Desc=Management of empoyees salaries and payments
+Module510Desc=Management of employees salaries and payments
 Module600Name=Notifications
 Module600Desc=Send notifications by email on some Dolibarr business events to third party contacts
 Module700Name=Donations
@@ -495,15 +495,15 @@ Module2400Name=Agenda
 Module2400Desc=Events/tasks and agenda management
 Module2500Name=Electronic Content Management
 Module2500Desc=Save and share documents
-Module2600Name= WebServices
-Module2600Desc= Enable the Dolibarr web services server
-Module2700Name= Gravatar
-Module2700Desc= Use online Gravatar service (www.gravatar.com) to show photo of users/members (found with their emails). Need an internet access
+Module2600Name=WebServices
+Module2600Desc=Enable the Dolibarr web services server
+Module2700Name=Gravatar
+Module2700Desc=Use online Gravatar service (www.gravatar.com) to show photo of users/members (found with their emails). Need an internet access
 Module2800Desc=FTP Client
-Module2900Name= GeoIPMaxmind
-Module2900Desc= GeoIP Maxmind conversions capabilities
-Module3100Name= Skype
-Module3100Desc= Add a Skype button into card of adherents / third parties / contacts
+Module2900Name=GeoIPMaxmind
+Module2900Desc=GeoIP Maxmind conversions capabilities
+Module3100Name=Skype
+Module3100Desc=Add a Skype button into card of adherents / third parties / contacts
 Module5000Name=Multi-company
 Module5000Desc=Allows you to manage multiple companies
 Module6000Name=Workflow
@@ -999,7 +999,7 @@ ExtraFieldsSupplierOrders=Complementary attributes (orders)
 ExtraFieldsSupplierInvoices=Complementary attributes (invoices)
 ExtraFieldsProject=Complementary attributes (projects)
 ExtraFieldsProjectTask=Complementary attributes (tasks)
-ExtraFieldHasWrongValue=Attribut %s has a wrong value.
+ExtraFieldHasWrongValue=Attribute %s has a wrong value.
 AlphaNumOnlyCharsAndNoSpace=only alphanumericals characters without space
 AlphaNumOnlyLowerCharsAndNoSpace=only alphanumericals and lower case characters without space
 SendingMailSetup=Setup of sendings by email
@@ -1018,13 +1018,13 @@ SuhosinSessionEncrypt=Session storage encrypted by Suhosin
 ConditionIsCurrently=Condition is currently %s
 TestNotPossibleWithCurrentBrowsers=Automatic detection not possible
 YouUseBestDriver=You use driver %s that is best driver available currently.
-YouDoNotUseBestDriver=You use drive %s but driver %s is recommanded.
+YouDoNotUseBestDriver=You use drive %s but driver %s is recommended.
 NbOfProductIsLowerThanNoPb=You have only %s products/services into database. This does not required any particular optimization.
 SearchOptim=Search optimization
 YouHaveXProductUseSearchOptim=You have %s product into database. You should add the constant PRODUCT_DONOTSEARCH_ANYWHERE to 1 into Home-Setup-Other, you limit the search to the beginning of strings making possible for database to use index and you should get an immediate response.
 BrowserIsOK=You are using the web browser %s. This browser is ok for security and performance.
 BrowserIsKO=You are using the web browser %s. This browser is known to be a bad choice for security, performance and reliability. We recommand you to use Firefox, Chrome, Opera or Safari.
-XDebugInstalled=XDebug est chargé.
+XDebugInstalled=XDebug is loaded.
 XCacheInstalled=XCache is loaded.
 AddRefInList=Display customer/supplier ref into list (select list or combobox) and most of hyperlink
 FieldEdition=Edition of field %s
@@ -1073,7 +1073,7 @@ WebCalServer=Server hosting calendar database
 WebCalDatabaseName=Database name
 WebCalUser=User to access database
 WebCalSetupSaved=Webcalendar setup saved successfully.
-WebCalTestOk=Connection to server '%s' on database '%s' with user '%s' successfull.
+WebCalTestOk=Connection to server '%s' on database '%s' with user '%s' successful.
 WebCalTestKo1=Connection to server '%s' succeed but database '%s' could not be reached.
 WebCalTestKo2=Connection to server '%s' with user '%s' failed.
 WebCalErrorConnectOkButWrongDatabase=Connection succeeded but database doesn't look to be a Webcalendar database.
@@ -1119,7 +1119,7 @@ WatermarkOnDraftProposal=Watermark on draft commercial proposals (none if empty)
 OrdersSetup=Order management setup
 OrdersNumberingModules=Orders numbering models
 OrdersModelModule=Order documents models
-HideTreadedOrders=Hide the treated or canceled orders in the list
+HideTreadedOrders=Hide the treated or cancelled orders in the list
 ValidOrderAfterPropalClosed=To validate the order after proposal closer, makes it possible not to step by the provisional order
 FreeLegalTextOnOrders=Free text on orders
 WatermarkOnDraftOrders=Watermark on draft orders (none if empty)
@@ -1214,9 +1214,9 @@ LDAPSynchroKO=Failed synchronization test
 LDAPSynchroKOMayBePermissions=Failed synchronization test. Check that connexion to server is correctly configured and allows LDAP udpates
 LDAPTCPConnectOK=TCP connect to LDAP server successful (Server=%s, Port=%s)
 LDAPTCPConnectKO=TCP connect to LDAP server failed (Server=%s, Port=%s)
-LDAPBindOK=Connect/Authentificate to LDAP server sucessfull (Server=%s, Port=%s, Admin=%s, Password=%s)
+LDAPBindOK=Connect/Authentificate to LDAP server successful (Server=%s, Port=%s, Admin=%s, Password=%s)
 LDAPBindKO=Connect/Authentificate to LDAP server failed (Server=%s, Port=%s, Admin=%s, Password=%s)
-LDAPUnbindSuccessfull=Disconnect successfull
+LDAPUnbindSuccessfull=Disconnect successful
 LDAPUnbindFailed=Disconnect failed
 LDAPConnectToDNSuccessfull=Connection to DN (%s) successful
 LDAPConnectToDNFailed=Connection to DN (%s) failed
@@ -1273,7 +1273,7 @@ LDAPFieldSidExample=Example : objectsid
 LDAPFieldEndLastSubscription=Date of subscription end
 LDAPFieldTitle=Post/Function
 LDAPFieldTitleExample=Example: title
-LDAPParametersAreStillHardCoded=LDAP parametres are still hardcoded (in contact class)
+LDAPParametersAreStillHardCoded=LDAP parameters are still hardcoded (in contact class)
 LDAPSetupNotComplete=LDAP setup not complete (go on others tabs)
 LDAPNoUserOrPasswordProvidedAccessIsReadOnly=No administrator or password provided. LDAP access will be anonymous and in read only mode.
 LDAPDescContact=This page allows you to define LDAP attributes name in LDAP tree for each data found on Dolibarr contacts.
@@ -1299,7 +1299,7 @@ FilesOfTypeNotCompressed=Files of type %s are not compressed by HTTP server
 CacheByServer=Cache by server
 CacheByClient=Cache by browser
 CompressionOfResources=Compression of HTTP responses
-TestNotPossibleWithCurrentBrowsers=Such an automatic detection is not possible with current bowsers 
+TestNotPossibleWithCurrentBrowsers=Such an automatic detection is not possible with current browsers 
 ##### Products #####
 ProductSetup=Products module setup
 ServiceSetup=Services module setup
@@ -1429,7 +1429,7 @@ OptionVATDefault=Standard
 OptionVATDebitOption=Option services on Debit
 OptionVatDefaultDesc=VAT is due:<br>- on delivery for goods (we use invoice date)<br>- on payments for services
 OptionVatDebitOptionDesc=VAT is due:<br>- on delivery for goods (we use invoice date)<br>- on invoice (debit) for services
-SummaryOfVatExigibilityUsedByDefault=Time of VAT exigibility by default according to choosed option: 
+SummaryOfVatExigibilityUsedByDefault=Time of VAT exigibility by default according to chosen option: 
 OnDelivery=On delivery
 OnPayment=On payment
 OnInvoice=On invoice
@@ -1446,7 +1446,7 @@ AccountancyCodeBuy=Purchase account. code
 AgendaSetup=Events and agenda module setup
 PasswordTogetVCalExport=Key to authorize export link
 PastDelayVCalExport=Do not export event older than
-AGENDA_USE_EVENT_TYPE=Use events types (managed into menu Setup -> Dictionnary -> Type of agenda events)
+AGENDA_USE_EVENT_TYPE=Use events types (managed into menu Setup -> Dictionary -> Type of agenda events)
 ##### ClickToDial #####
 ClickToDialDesc=This module allows to add an icon after phone numbers. A click on this icon will call a server with a particular URL you define below. This can be used to call a call center system from Dolibarr that can call the phone number on a SIP system for example.
 ##### Point Of Sales (CashDesk) #####