diff --git a/composite-view/src/main/java/com/iluwatar/compositeview/AppServlet.java b/composite-view/src/main/java/com/iluwatar/compositeview/AppServlet.java
index 02aeab1b3..7de1982a3 100644
--- a/composite-view/src/main/java/com/iluwatar/compositeview/AppServlet.java
+++ b/composite-view/src/main/java/com/iluwatar/compositeview/AppServlet.java
@@ -38,6 +38,7 @@ import java.io.PrintWriter;
  */
 
 public final class AppServlet extends HttpServlet {
+  private static final String CONTENT_TYPE = "text/html";
   private String msgPartOne = "<h1>This Server Doesn't Support";
   private String msgPartTwo = "Requests</h1>\n"
       + "<h2>Use a GET request with boolean values for the following parameters<h2>\n"
@@ -61,7 +62,7 @@ public final class AppServlet extends HttpServlet {
   @Override
   public void doPost(HttpServletRequest req, HttpServletResponse resp)
           throws ServletException, IOException {
-    resp.setContentType("text/html");
+    resp.setContentType(CONTENT_TYPE);
     try (PrintWriter out = resp.getWriter()) {
       out.println(msgPartOne + " Post " + msgPartTwo);
     }
@@ -71,7 +72,7 @@ public final class AppServlet extends HttpServlet {
   @Override
   public void doDelete(HttpServletRequest req, HttpServletResponse resp)
           throws ServletException, IOException {
-    resp.setContentType("text/html");
+    resp.setContentType(CONTENT_TYPE);
     try (PrintWriter out = resp.getWriter()) {
       out.println(msgPartOne + " Delete " + msgPartTwo);
     }
@@ -80,7 +81,7 @@ public final class AppServlet extends HttpServlet {
   @Override
   public void doPut(HttpServletRequest req, HttpServletResponse resp)
           throws ServletException, IOException {
-    resp.setContentType("text/html");
+    resp.setContentType(CONTENT_TYPE);
     try (PrintWriter out = resp.getWriter()) {
       out.println(msgPartOne + " Put " + msgPartTwo);
     }