diff --git a/common-tools/clas-detector/src/main/java/org/jlab/detector/epics/EpicsSequence.java b/common-tools/clas-detector/src/main/java/org/jlab/detector/epics/EpicsSequence.java
index 72ec70dc0..244e38b6c 100644
--- a/common-tools/clas-detector/src/main/java/org/jlab/detector/epics/EpicsSequence.java
+++ b/common-tools/clas-detector/src/main/java/org/jlab/detector/epics/EpicsSequence.java
@@ -49,6 +49,7 @@ protected int findIndex(int unixTime) {
         return n;
     }
    
+    //FIXME: should switch to use SortedSet
     protected boolean add(Epics de) {
         if (this.epics.isEmpty()) {
             this.epics.add(de);