diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExportIndexFileInfoMatcher.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExportIndexFileInfoMatcher.java
index b979344942f..5533379468a 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExportIndexFileInfoMatcher.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExportIndexFileInfoMatcher.java
@@ -23,7 +23,7 @@ import org.eclipse.core.runtime.Path;
  * FileInfoMatcher that will match a given project relative path for a directory we want to exclude.
  * 
  * @author dschaefer
- *
+ * @since 5.7
  */
 public class ExportIndexFileInfoMatcher extends AbstractFileInfoMatcher {
 	
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExternalExportProjectProvider.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExternalExportProjectProvider.java
index dd4d89533b4..51d7af8146d 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExternalExportProjectProvider.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/index/export/ExternalExportProjectProvider.java
@@ -63,6 +63,7 @@ public class ExternalExportProjectProvider extends AbstractExportProjectProvider
 	private static final String CONTENT = "content"; //$NON-NLS-1$
 	public static final String OPT_SOURCE = "-source"; //$NON-NLS-1$
 	public static final String OPT_INCLUDE = "-include"; //$NON-NLS-1$
+	/** @since 5.7 */
 	public static final String OPT_EXCLUDE = "-exclude"; //$NON-NLS-1$
 	public static final String OPT_FRAGMENT_ID = "-id"; //$NON-NLS-1$