diff --git a/core-java/src/main/java/com/baeldung/hextToAscii/HexToAscii.java b/core-java/src/main/java/com/baeldung/hexToAscii/HexToAscii.java
similarity index 90%
rename from core-java/src/main/java/com/baeldung/hextToAscii/HexToAscii.java
rename to core-java/src/main/java/com/baeldung/hexToAscii/HexToAscii.java
index 4c20215288..2a3c4b109e 100644
--- a/core-java/src/main/java/com/baeldung/hextToAscii/HexToAscii.java
+++ b/core-java/src/main/java/com/baeldung/hexToAscii/HexToAscii.java
@@ -1,10 +1,13 @@
 package com.baeldung.hexToAscii;
 
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
 public class HexToAscii {
 
     @Test
     public static void whenHexToAscii() {
-
         String asciiString = "http://www.baeldung.com/jackson-serialize-dates";
         String hexEquivalent = "687474703a2f2f7777772e6261656c64756e672e636f6d2f6a61636b736f6e2d73657269616c697a652d6461746573";
 
@@ -13,15 +16,15 @@ public class HexToAscii {
 
     @Test
     public static void whenAsciiToHex() {
-
         String asciiString = "http://www.baeldung.com/jackson-serialize-dates";
         String hexEquivalent = "687474703a2f2f7777772e6261656c64756e672e636f6d2f6a61636b736f6e2d73657269616c697a652d6461746573";
 
         assertEquals(hexEquivalent, asciiToHex(asciiString));
     }
 
-    private static String asciiToHex(String asciiStr) {
+    //
 
+    private static String asciiToHex(String asciiStr) {
         char[] chars = asciiStr.toCharArray();
         StringBuilder hex = new StringBuilder();
         for (char ch : chars) {
@@ -31,8 +34,7 @@ public class HexToAscii {
         return hex.toString();
     }
 
-    private static String hexToASCII(String hexStr) {
-
+    private static String hexToAscii(String hexStr) {
         StringBuilder output = new StringBuilder("");
         for (int i = 0; i < hexStr.length(); i += 2) {
             String str = hexStr.substring(i, i + 2);
@@ -40,4 +42,5 @@ public class HexToAscii {
         }
         return output.toString();
     }
+
 }
diff --git a/spring-jpa/README.md b/spring-jpa/README.md
index bc768bee22..30b39e1a4e 100644
--- a/spring-jpa/README.md
+++ b/spring-jpa/README.md
@@ -13,5 +13,12 @@
 - [Hibernate Second-Level Cache](http://www.baeldung.com/hibernate-second-level-cache)
 - [Spring, Hibernate and a JNDI Datasource](http://www.baeldung.com/spring-persistence-jpa-jndi-datasource)
 
-To ignore "No persistence xml file found in project", you do:
-Project -> Properties -> Java Persistance -> JPA -> Error/Warnings -> Select Ignore on "No persistence xml file found in project"
+### Eclipse Config 
+After importing the project into Eclipse, you may see the following error:  
+"No persistence xml file found in project"
+
+This can be ignored: 
+- Project -> Properties -> Java Persistance -> JPA -> Error/Warnings -> Select Ignore on "No persistence xml file found in project"
+Or: 
+- Eclipse -> Preferences - Validation - disable the "Build" execution of the JPA Validator 
+
diff --git a/spring-thymeleaf/README.md b/spring-thymeleaf/README.md
index a8ca755044..98fb4b043b 100644
--- a/spring-thymeleaf/README.md
+++ b/spring-thymeleaf/README.md
@@ -2,15 +2,16 @@
 
 ## Spring Thymeleaf Example Project
 
-
 ### Relevant Articles: 
 - [Introduction to Using Thymeleaf in Spring](http://www.baeldung.com/thymeleaf-in-spring-mvc)
 - [CSRF Protection with Spring MVC and Thymeleaf](http://www.baeldung.com/csrf-thymeleaf-with-spring-security)
 
+
 ### Build the Project
 
 mvn clean install
 
+
 ### Run the Project
 mvn cargo:run
 - **note**: starts on port '8082'