diff --git a/.gitignore b/.gitignore
index 288a569..4ab02c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
.metadata
+doc/
bin/
tmp/
*.tmp
diff --git a/pom.xml b/pom.xml
index 6e457ab..5437085 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,6 +67,13 @@
guava-annotations
r03
+
+
+ org.mockito
+ mockito-core
+ 3.6.0
+ test
+
diff --git a/src/main/java/edu/mills/cs180a/wordui/model/SampleData.java b/src/main/java/edu/mills/cs180a/wordui/model/SampleData.java
index f9d8846..d82a9c9 100644
--- a/src/main/java/edu/mills/cs180a/wordui/model/SampleData.java
+++ b/src/main/java/edu/mills/cs180a/wordui/model/SampleData.java
@@ -12,6 +12,12 @@
import edu.mills.cs180a.wordnik.client.model.WordOfTheDay;
import javafx.collections.ObservableList;
+/**
+ * A resource to process sample data.
+ *
+ * @author Ellen Spertus
+ * @author Zoe Abrams
+ */
public class SampleData {
@VisibleForTesting
protected static final String FREQ_COUNT_KEY = "count";
@@ -25,7 +31,7 @@ private static int getFrequencyFromSummary(FrequencySummary fs, int year) {
// freqObjects is a List