diff --git a/boot-api-archunit-sample/src/main/java/com/example/archunit/exception/ResourceNotFoundException.java b/boot-api-archunit-sample/src/main/java/com/example/archunit/exception/ResourceNotFoundException.java
index 4f0282ef5..fe6f4d545 100644
--- a/boot-api-archunit-sample/src/main/java/com/example/archunit/exception/ResourceNotFoundException.java
+++ b/boot-api-archunit-sample/src/main/java/com/example/archunit/exception/ResourceNotFoundException.java
@@ -5,13 +5,13 @@
 
 public class ResourceNotFoundException extends RuntimeException {
 
-    private static final HttpStatus httpStatus = HttpStatus.NOT_FOUND;
+    private static final HttpStatus HTTP_STATUS = HttpStatus.NOT_FOUND;
 
     public ResourceNotFoundException(String errorMessage) {
         super(errorMessage);
     }
 
     public HttpStatusCode getHttpStatus() {
-        return httpStatus;
+        return HTTP_STATUS;
     }
 }
diff --git a/boot-api-archunit-sample/src/test/java/com/example/archunit/architecture/GeneralCodingRulesTest.java b/boot-api-archunit-sample/src/test/java/com/example/archunit/architecture/GeneralCodingRulesTest.java
index de27a62ea..4e2c7af16 100644
--- a/boot-api-archunit-sample/src/test/java/com/example/archunit/architecture/GeneralCodingRulesTest.java
+++ b/boot-api-archunit-sample/src/test/java/com/example/archunit/architecture/GeneralCodingRulesTest.java
@@ -8,6 +8,7 @@
 import static com.tngtech.archunit.library.GeneralCodingRules.NO_CLASSES_SHOULD_USE_JAVA_UTIL_LOGGING;
 import static com.tngtech.archunit.library.GeneralCodingRules.NO_CLASSES_SHOULD_USE_JODATIME;
 
+import com.tngtech.archunit.core.domain.JavaModifier;
 import com.tngtech.archunit.core.importer.ImportOption;
 import com.tngtech.archunit.junit.AnalyzeClasses;
 import com.tngtech.archunit.junit.ArchTest;
@@ -48,14 +49,18 @@ class GeneralCodingRulesTest {
             .haveName("LOGGER")
             .because("Logger variables should be private, static and final, and it should be named as LOGGER");
 
-    /*
     @ArchTest
-    static final ArchRule finalStaticVariablesInUppercase = fields().that().areStatic().and().areFinal()
-            .and().doNotHaveName("serialVersionUID")
-            .and().doNotHaveModifier(JavaModifier.SYNTHETIC)
-            .should().haveNameMatching(".*^[A-Z].*")
+    static final ArchRule finalStaticVariablesInUppercase = fields().that()
+            .areStatic()
+            .and()
+            .areFinal()
+            .and()
+            .doNotHaveName("serialVersionUID")
+            .and()
+            .doNotHaveModifier(JavaModifier.SYNTHETIC)
+            .should()
+            .haveNameMatching(".*^[A-Z].*")
             .because("Variables with static and final modifiers should be named in uppercase");
-    */
 
     // Methods
     @ArchTest