Minor doc addition

sbliven · sbliven · commit e4ac678a8ca3 · 2016-03-04T14:31:06.000+01:00
diff --git a/biojava-core/src/main/java/org/biojava/nbio/core/util/SingleLinkageClusterer.java b/biojava-core/src/main/java/org/biojava/nbio/core/util/SingleLinkageClusterer.java
@@ -242,7 +242,7 @@ private LinkedPair getClosestPair() {
 	/**
 	 * Get the clusters by cutting the dendrogram at given cutoff
 	 * @param cutoff
-	 * @return
+	 * @return Map from cluster numbers to indices of the cluster members
 	 */
 	public Map<Integer, Set<Integer>> getClusters(double cutoff) {
 		
