diff --git a/out/artifacts/TCellSim_jar/TCellSim.jar b/out/artifacts/TCellSim_jar/TCellSim.jar
index 189f0c5..eb9a41b 100644
Binary files a/out/artifacts/TCellSim_jar/TCellSim.jar and b/out/artifacts/TCellSim_jar/TCellSim.jar differ
diff --git a/src/main/java/Plate.java b/src/main/java/Plate.java
index 121a776..3a99c41 100644
--- a/src/main/java/Plate.java
+++ b/src/main/java/Plate.java
@@ -28,6 +28,11 @@ public class Plate {
         this.sourceFile = sourceFileName;
         this.wells = wells;
         this.size = wells.size();
+        List<Integer> concentrations = new ArrayList<>();
+        for (List<Integer[]> w: wells) {
+            concentrations.add(w.size());
+        }
+        concentrations.toArray(this.concentrations);
     }
 
     public void fillWellsExponential(String sourceFileName, List<Integer[]> cells, double lambda){
diff --git a/src/main/java/Simulator.java b/src/main/java/Simulator.java
index f9cc8cb..4315bca 100644
--- a/src/main/java/Simulator.java
+++ b/src/main/java/Simulator.java
@@ -240,18 +240,18 @@ public class Simulator {
         BigDecimal attemptRateTrunc = new BigDecimal(attemptRate, mc);
         double pairingErrorRate = (double) falseCount / (trueCount + falseCount);
         BigDecimal pairingErrorRateTrunc = new BigDecimal(pairingErrorRate, mc);
-        //make list of well concentrations
+        //get list of well concentrations
         List<Integer> wellConcentrations = Arrays.asList(data.getWellConcentrations());
         //make string out of concentrations list
-        StringBuilder concen = new StringBuilder();
+        StringBuilder concentrationStringBuilder = new StringBuilder();
         for(Integer i: wellConcentrations){
-            concen.append(i.toString());
-            concen.append(" ");
+            concentrationStringBuilder.append(i.toString());
+            concentrationStringBuilder.append(" ");
         }
-        String concenString = concen.toString();
+        String concentrationString = concentrationStringBuilder.toString();
 
         List<String> comments = new ArrayList<>();
-        comments.add("T cell counts in sample plate wells: " + concenString);
+        comments.add("T cell counts in sample plate wells: " + concentrationString);
         comments.add("Total alphas found: " + alphaCount);
         comments.add("Total betas found: " + betaCount);
         comments.add("High overlap threshold: " + highThreshold);