--- a/devtools/shared/styleinspector.properties
+++ b/devtools/shared/styleinspector.properties
@@ -14,21 +14,24 @@
 # LOCALIZATION NOTE (rule.status): For each style property the panel shows
 # the rules which hold that specific property. For every rule, the rule status
 # is also displayed: a rule can be the best match, a match, a parent match, or a
 # rule did not match the element the user has highlighted.
 rule.status.BEST=最佳匹配
 rule.status.MATCHED=匹配
 rule.status.PARENT_MATCH=父匹配
 
-# LOCALIZATION NOTE (rule.sourceElement, rule.sourceInline): For each
-# style property the panel shows the rules which hold that specific property.
+# LOCALIZATION NOTE (rule.sourceElement, rule.sourceInline,
+# rule.sourceConstructed): For each style property the panel shows the rules
+# which hold that specific property.
 # For every rule, the rule source is also displayed: a rule can come from a
-# file, from the same page (inline), or from the element itself (element).
+# file, from the same page (inline), from a constructed style sheet
+# (constructed), or from the element itself (element).
 rule.sourceInline=内联
+rule.sourceConstructed=构造
 rule.sourceElement=元素
 
 # LOCALIZATION NOTE (rule.inheritedFrom): Shown for CSS rules
 # that were inherited from a parent node. Will be passed a node
 # identifier of the parent node.
 # e.g "Inherited from body#bodyID"
 rule.inheritedFrom=继承自 %S