diff --git a/.gitignore b/.gitignore
index bc177c84..d0ebf14a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,7 @@ target/
 .classpath
 .project
 .settings
+
+.clover
+
+.java-version
diff --git a/pom.xml b/pom.xml
index 0f30bb3d..aaa847a4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -404,16 +404,6 @@
         </plugins>
     </build>
     <profiles>
-        <profile>
-            <id>jdk8</id>
-            <activation>
-                <jdk>1.8</jdk>
-            </activation>
-            <properties>
-                <!-- Turn off JDK 8's lint checks: -->
-                <additionalparam>-Xdoclint:none</additionalparam>
-            </properties>
-        </profile>
         <profile>
             <id>sign</id>
             <build>
diff --git a/src/main/java/io/jsonwebtoken/Header.java b/src/main/java/io/jsonwebtoken/Header.java
index f3ea2378..3eedd64a 100644
--- a/src/main/java/io/jsonwebtoken/Header.java
+++ b/src/main/java/io/jsonwebtoken/Header.java
@@ -113,7 +113,7 @@ public interface Header<T extends Header<T>> extends Map<String,Object> {
      * Returns the JWT  <a href="https://tools.ietf.org/html/rfc7516#section-4.1.3"><code>zip</code></a>
      * (Compression Algorithm) header parameter value or {@code null} if not present.
      *
-     * <h5>Compatiblity Note</h5>
+     * <h3>Compatiblity Note</h3>
      *
      * <p>While the JWT family of specifications only defines the <code>zip</code> header in the JWE
      * (JSON Web Encryption) specification, JJWT will also support compression for JWS as well if you choose to use it.
@@ -135,7 +135,7 @@ public interface Header<T extends Header<T>> extends Map<String,Object> {
      * and must be used carefully since, is not expected that other libraries (including previous versions of this one)
      * be able to deserialize a compressed JTW body correctly. </p>
      *
-     * <h5>Compatiblity Note</h5>
+     * <h3>Compatiblity Note</h3>
      *
      * <p>While the JWT family of specifications only defines the <code>zip</code> header in the JWE
      * (JSON Web Encryption) specification, JJWT will also support compression for JWS as well if you choose to use it.
diff --git a/src/main/java/io/jsonwebtoken/impl/serialization/SerializationCodec.java b/src/main/java/io/jsonwebtoken/impl/serialization/SerializationCodec.java
index a3c25357..bbd7d417 100644
--- a/src/main/java/io/jsonwebtoken/impl/serialization/SerializationCodec.java
+++ b/src/main/java/io/jsonwebtoken/impl/serialization/SerializationCodec.java
@@ -18,10 +18,11 @@ public interface SerializationCodec {
 
     /**
      * Deserialize a {@code byte[]} to an {@code object} of an specific {@code type}
+     *
      * <pre>
      * bytes[] serialized = ...
      * Map instance = serializationCodec.deserialize(serialized, Map.class);
-     * <pre>
+     * </pre>
      *
      * @param bytes       of the serialized object.
      * @param targetClass of the instance to return.