diff --git a/README.md b/README.md
index 17a1e1c..c5fbca6 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Add these lines to your `pom.xml`.
 <dependency>
   <groupId>com.github.f4b6a3</groupId>
   <artifactId>ulid-creator</artifactId>
-  <version>2.0.1</version>
+  <version>2.0.2</version>
 </dependency>
 ```
 See more options in [maven.org](https://search.maven.org/artifact/com.github.f4b6a3/ulid-creator).
diff --git a/src/main/java/com/github/f4b6a3/ulid/UlidCreator.java b/src/main/java/com/github/f4b6a3/ulid/UlidCreator.java
index c0fced0..7bf9f01 100644
--- a/src/main/java/com/github/f4b6a3/ulid/UlidCreator.java
+++ b/src/main/java/com/github/f4b6a3/ulid/UlidCreator.java
@@ -69,7 +69,7 @@ public final class UlidCreator {
 	 * The random component is generated by a secure random number generator:
 	 * {@link java.security.SecureRandom}.
 	 * 
-	 * @return a ULID
+	 * @return a ULID string
 	 */
 	public static String getUlidString() {
 		return UlidSpecCreatorHolder.INSTANCE.createString();
diff --git a/src/main/java/com/github/f4b6a3/ulid/creator/UlidSpecCreator.java b/src/main/java/com/github/f4b6a3/ulid/creator/UlidSpecCreator.java
index 70ff192..06c76e3 100644
--- a/src/main/java/com/github/f4b6a3/ulid/creator/UlidSpecCreator.java
+++ b/src/main/java/com/github/f4b6a3/ulid/creator/UlidSpecCreator.java
@@ -145,7 +145,7 @@ public class UlidSpecCreator {
 	 * The random component is generated by a secure random number generator:
 	 * {@link java.security.SecureRandom}.
 	 * 
-	 * @return a ULID
+	 * @return a ULID string
 	 */
 	public synchronized String createString() {
 		return UlidConverter.toString(create());
diff --git a/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorMock.java b/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorMock.java
index 7d890c2..712f07a 100644
--- a/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorMock.java
+++ b/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorMock.java
@@ -15,20 +15,4 @@ class UlidSpecCreatorMock extends UlidSpecCreator {
 
 		this.previousTimestamp = previousTimestamp;
 	}
-
-	public long getRandom1() {
-		return this.random1;
-	}
-
-	public long getRandom2() {
-		return this.random2;
-	}
-
-	public long getRandomMax1() {
-		return this.random1;
-	}
-
-	public long getRandomMax2() {
-		return this.random2;
-	}
 }
\ No newline at end of file
diff --git a/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorTest.java b/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorTest.java
index d13c605..e1ecec4 100644
--- a/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorTest.java
+++ b/src/test/java/com/github/f4b6a3/ulid/creator/UlidSpecCreatorTest.java
@@ -22,7 +22,7 @@ public class UlidSpecCreatorTest {
 
 	private static final Random RANDOM = new Random();
 
-	protected static final String DUPLICATE_UUID_MSG = "A duplicate ULID was created";
+	protected static final String DUPLICATE_UUID_MSG = "A duplicate ULID was created.";
 
 	protected static final int THREAD_TOTAL = availableProcessors();