fix l10n message

sonar-core/src/main/resources/org/sonar/l10n/core.properties

@@ -2975,7 +2975,7 @@ overview.gate.view.warnings=The view has warnings on the following quality gate
 overview.gate.view.errors=The view failed the quality gate on the following conditions: {0}.
 
 overview.domain.duplications=Duplications
-overview.domain.structure=Structure
+overview.domain.size=Size
 
 overview.complexity_tooltip.function={0} functions have complexity around {1}
 overview.complexity_tooltip.file={0} files have complexity around {1}