diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d87fea..8f9d6e5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,7 +30,7 @@ jobs:
           **/*/target/*-reports/*.xml
 
     - name: Archive build artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         path: |
           **/target/*.jar
diff --git a/README.md b/README.md
index a650868..d1e6745 100644
--- a/README.md
+++ b/README.md
@@ -96,7 +96,6 @@ Adds implementations of a generic type into the schema. It will use a virtual ty
 @Implementations(ComponentTypes)
 public Component component;
 
-
 public static class ComponentTypes implements TypeReqistry {
   @Override
   public Set<Class<?>> types() {
@@ -148,8 +147,7 @@ This is perfect if you maintain a Map with well known keys in your Java objects.
 public CheckTypes checks;
 
 @TypesAsFields(Checks)
-public interface CheckTypes implements Map<String, MyChecker>
-
+public interface CheckTypes implements Map<String, MyChecker>{}
 
 public static class Checks implements FieldRegistry {
   @Override