diff --git a/Changes.md b/Changes.md
index 562e8a33885..129607e90a0 100644
--- a/Changes.md
+++ b/Changes.md
@@ -40,7 +40,7 @@ API
   - ProcessorWidget provides a base class for custom widgets, and a factory mechanism for registering them against processors.
   - SimpleProcessorWidget provides a base class for widgets with a simple summary label and optional action links.
 - TractorDispatcher : The `preSpoolSignal()` now provides an additional `taskData` argument to slots, which maps from Tractor tasks to information about the Gaffer tasks they will execute.
-- LabelPlugValueWidget : Added optional `showValueChangedIndicator` metadata entry. If a plug has this entry set to `False`, the icon next to the label that indicates the value has changed will not be shown. Defaults to `True` if the value is not set.
+- LabelPlugValueWidget : Added optional `labelPlugValueWidget:showValueChangedIndicator` metadata entry. If a plug has this entry set to `False`, the icon next to the label that indicates the value has changed will not be shown. Defaults to `True` if the value is not set.
 
 Breaking Changes
 ----------------
diff --git a/python/GafferUI/LabelPlugValueWidget.py b/python/GafferUI/LabelPlugValueWidget.py
index 59454711924..f412ba43d62 100644
--- a/python/GafferUI/LabelPlugValueWidget.py
+++ b/python/GafferUI/LabelPlugValueWidget.py
@@ -45,7 +45,7 @@
 # Supported plug metadata :
 #
 #  - "renameable"
-#  - "showValueChangedIndicator" : If `False`, the indicator that the
+#  - "labelPlugValueWidget:showValueChangedIndicator" : If `False`, the indicator that the
 #  plug value has changed will not be shown. Defaults to `True` if not set.
 class LabelPlugValueWidget( GafferUI.PlugValueWidget ) :
 
@@ -79,7 +79,7 @@ def __init__( self, plug, horizontalAlignment=GafferUI.Label.HorizontalAlignment
 			all(
 				(
 					p.direction() == Gaffer.Plug.Direction.In and
-					Gaffer.Metadata.value( p, "showValueChangedIndicator" ) != False
+					Gaffer.Metadata.value( p, "labelPlugValueWidget:showValueChangedIndicator" ) != False
 				)
 				for p in self.getPlugs()
 			)
diff --git a/python/GafferUI/SplinePlugValueWidget.py b/python/GafferUI/SplinePlugValueWidget.py
index 602fd9712a6..25300fd57cd 100644
--- a/python/GafferUI/SplinePlugValueWidget.py
+++ b/python/GafferUI/SplinePlugValueWidget.py
@@ -98,8 +98,8 @@ def __buttonPress( self, button, event ) :
 	Gaffer.Metadata.registerValue( plugType, "interpolation", "plugValueWidget:type", "GafferUI.PresetsPlugValueWidget" )
 	for name, value in sorted( Gaffer.SplineDefinitionInterpolation.names.items() ):
 		Gaffer.Metadata.registerValue( plugType, "interpolation", "preset:" + name, value )
-	Gaffer.Metadata.registerValue( plugType, "p[0-9]*.x", "showValueChangedIndicator", False )
-	Gaffer.Metadata.registerValue( plugType, "p[0-9]*.y", "showValueChangedIndicator", False )
+	Gaffer.Metadata.registerValue( plugType, "p[0-9]*.x", "labelPlugValueWidget:showValueChangedIndicator", False )
+	Gaffer.Metadata.registerValue( plugType, "p[0-9]*.y", "labelPlugValueWidget:showValueChangedIndicator", False )
 
 ## \todo See comments for `ColorSwatchPlugValueWidget._ColorPlugValueDialogue`.
 # I think the best approach is probably to move the `acquire()` mechanism to the