diff --git a/src/test/java/org/json/junit/JSONObjectTest.java b/src/test/java/org/json/junit/JSONObjectTest.java
index 61043ae..935b687 100644
--- a/src/test/java/org/json/junit/JSONObjectTest.java
+++ b/src/test/java/org/json/junit/JSONObjectTest.java
@@ -1722,15 +1722,15 @@ public class JSONObjectTest {
         String str = "{\"myKey\": \"myval\", \"hiKey\": null}";
         JSONObject jsonObject = new JSONObject(str);
 
-        assertTrue("optBigDecimal() should return default ",
+        assertTrue("optBigDecimal() should return default BigDecimal",
                 BigDecimal.TEN.compareTo(jsonObject.optBigDecimal("myKey", BigDecimal.TEN))==0);
-        assertTrue(" should return default ",
+        assertTrue("optBigInteger() should return default BigInteger",
                 BigInteger.TEN.compareTo(jsonObject.optBigInteger("myKey",BigInteger.TEN ))==0);
         assertTrue("optBoolean() should return default boolean",
                 true == jsonObject.optBoolean("myKey", true));
         assertTrue("optInt() should return default int",
                 42 == jsonObject.optInt("myKey", 42));
-        assertTrue("optEnum() should return default ",
+        assertTrue("optEnum() should return default Enum",
                 MyEnum.VAL1.equals(jsonObject.optEnum(MyEnum.class, "myKey", MyEnum.VAL1)));
         assertTrue("optJSONArray() should return null ",
                 null==jsonObject.optJSONArray("myKey"));
@@ -1752,15 +1752,15 @@ public class JSONObjectTest {
 
          JSONObject jsonObject = new JSONObject();
 
-         assertTrue("optBigDecimal() should return default ",
+         assertTrue("optBigDecimal() should return default BigDecimal",
                  BigDecimal.TEN.compareTo(jsonObject.optBigDecimal("myKey", BigDecimal.TEN))==0);
-         assertTrue(" should return default ",
+         assertTrue("optBigInteger() should return default BigInteger",
                  BigInteger.TEN.compareTo(jsonObject.optBigInteger("myKey",BigInteger.TEN ))==0);
          assertTrue("optBoolean() should return default boolean",
                  true == jsonObject.optBoolean("myKey", true));
          assertTrue("optInt() should return default int",
                  42 == jsonObject.optInt("myKey", 42));
-         assertTrue("optEnum() should return default ",
+         assertTrue("optEnum() should return default Enum",
                  MyEnum.VAL1.equals(jsonObject.optEnum(MyEnum.class, "myKey", MyEnum.VAL1)));
          assertTrue("optJSONArray() should return null ",
                  null==jsonObject.optJSONArray("myKey"));