diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index 3d83901194b..37670b7f003 100755
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -161,6 +161,12 @@ ErrorPriceExpressionUnknown=Unknown error '%s'
 ErrorSrcAndTargetWarehouseMustDiffers=Source and target warehouses must differs
 ErrorTryToMakeMoveOnProductRequiringBatchData=Error, trying to make a stock movement without batch/serial information, on a product requiring batch/serial information
 ErrorCantSetReceptionToTotalDoneWithReceptionToApprove=All recorded receptions must first be verified before being allowed to do this action
+ErrorGlobalVariableUpdater0=HTTP request failed with error '%s'
+ErrorGlobalVariableUpdater1=Invalid JSON format '%s'
+ErrorGlobalVariableUpdater2=Missing parameter '%s'
+ErrorGlobalVariableUpdater3=The requested data was not found in result
+ErrorGlobalVariableUpdater4=SOAP client failed with error '%s'
+ErrorGlobalVariableUpdater5=No global variable selected
 
 # Warnings
 WarningMandatorySetupNotComplete=Mandatory setup parameters are not yet defined
diff --git a/htdocs/langs/en_US/products.lang b/htdocs/langs/en_US/products.lang
index eb7261ab613..1b9a49b559d 100755
--- a/htdocs/langs/en_US/products.lang
+++ b/htdocs/langs/en_US/products.lang
@@ -245,12 +245,25 @@ MinimumRecommendedPrice=Minimum recommended price is : %s
 PriceExpressionEditor=Price expression editor
 PriceExpressionSelected=Selected price expression
 PriceExpressionEditorHelp1="price = 2 + 2" or "2 + 2" for setting the price. Use ; to separate expressions
-PriceExpressionEditorHelp2=You can access ExtraFields with variables like <b>#options_myextrafieldkey#</b>
+PriceExpressionEditorHelp2=You can access ExtraFields with variables like <b>#extrafield_myextrafieldkey#</b> and global variables with <b>#global_mycode#</b>
 PriceExpressionEditorHelp3=In both product/service and supplier prices there are these variables available:<br><b>#tva_tx# #localtax1_tx# #localtax2_tx# #weight# #length# #surface# #price_min#</b>
 PriceExpressionEditorHelp4=In product/service price only: <b>#supplier_min_price#</b><br>In supplier prices only: <b>#supplier_quantity# and #supplier_tva_tx#</b>
+PriceExpressionEditorHelp5=Available global values:
 PriceMode=Price mode
 PriceNumeric=Number
 DefaultPrice=Default price
 ComposedProductIncDecStock=Increase/Decrease stock on parent change
 ComposedProduct=Sub-product
-MinSupplierPrice=Minimun supplier price
+MinSupplierPrice=Minimum supplier price
+DynamicPriceConfiguration=Dynamic price configuration
+GlobalVariables=Global variables
+GlobalVariableUpdaters=Global variable updaters
+GlobalVariableUpdaterType0=JSON data
+GlobalVariableUpdaterHelp0=Parses JSON data from specified URL, VALUE specifies the location of relevant value,
+GlobalVariableUpdaterHelpFormat0=format is {"URL": "http://example.com/urlofjson", "VALUE": "array1,array2,targetvalue"}
+GlobalVariableUpdaterType1=WebService data
+GlobalVariableUpdaterHelp1=Parses WebService data from specified URL, NS specifies the namespace, VALUE specifies the location of relevant value, DATA should contain the data to send and METHOD is the calling WS method
+GlobalVariableUpdaterHelpFormat1=format is {"URL": "http://example.com/urlofws", "VALUE": "array,targetvalue", "NS": "http://example.com/urlofns", "METHOD": "myWSMethod", "DATA": {"your": "data, "to": "send"}}
+UpdateInterval=Update interval (minutes)
+LastUpdated=Last updated
+CorrectlyUpdated=Correctly updated
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