diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
index e5121182153..cbd5c112494 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
@@ -182,7 +182,7 @@ public interface ICDTLaunchConfigurationConstants {
 
 	/**
 	 * Launch configuration attribute key. The value is the startup mode for the
-	 * debugger.
+	 * debugger (a ICDTLaunchConfigurationConstants.DEBUGGER_MODE_XXXXX constant)
 	 */
 	public static final String ATTR_DEBUGGER_START_MODE = CDT_LAUNCH_ID + ".DEBUGGER_START_MODE"; //$NON-NLS-1$