javadoc re JAL-554

diff --git a/src/jalview/datamodel/AlignmentI.java b/src/jalview/datamodel/AlignmentI.java
index 2991a2d..293ace0 100755 (executable)
--- a/src/jalview/datamodel/AlignmentI.java
+++ b/src/jalview/datamodel/AlignmentI.java
@@ -216,7 +216,7 @@ public interface AlignmentI
 
   /**
    * Get the annotation associated with this alignment
-   * 
+   * (this can be null if no annotation has ever been created on the alignment)
    * @return array of AlignmentAnnotation objects
    */
   public AlignmentAnnotation[] getAlignmentAnnotation();