fixing typo in constant name of utility class config flag.

src/core/lombok/ConfigurationKeys.java

@@ -418,7 +418,7 @@ public class ConfigurationKeys {
 	 * 
 	 * If set, <em>any</em> usage of {@code @UtilityClass} results in a warning / error.
 	 */
-	public static final ConfigurationKey<FlagUsageType> UTLITY_CLASS_FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.utilityClass.flagUsage", "Emit a warning or error if @UtilityClass is used.") {};
+	public static final ConfigurationKey<FlagUsageType> UTILITY_CLASS_FLAG_USAGE = new ConfigurationKey<FlagUsageType>("lombok.utilityClass.flagUsage", "Emit a warning or error if @UtilityClass is used.") {};
 	
 	// ----- Configuration System -----
 	

src/core/lombok/eclipse/handlers/HandleUtilityClass.java

@@ -60,7 +60,7 @@ import lombok.experimental.UtilityClass;
 @ProviderFor(EclipseAnnotationHandler.class)
 public class HandleUtilityClass extends EclipseAnnotationHandler<UtilityClass> {
 	@Override public void handle(AnnotationValues<UtilityClass> annotation, Annotation ast, EclipseNode annotationNode) {
-		handleFlagUsage(annotationNode, ConfigurationKeys.UTLITY_CLASS_FLAG_USAGE, "@UtilityClass");
+		handleFlagUsage(annotationNode, ConfigurationKeys.UTILITY_CLASS_FLAG_USAGE, "@UtilityClass");
 		
 		EclipseNode typeNode = annotationNode.up();
 		if (!checkLegality(typeNode, annotationNode)) return;

src/core/lombok/javac/handlers/HandleUtilityClass.java

@@ -52,7 +52,7 @@ import com.sun.tools.javac.util.Name;
 @ProviderFor(JavacAnnotationHandler.class)
 public class HandleUtilityClass extends JavacAnnotationHandler<UtilityClass> {
 	@Override public void handle(AnnotationValues<UtilityClass> annotation, JCAnnotation ast, JavacNode annotationNode) {
-		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.UTLITY_CLASS_FLAG_USAGE, "@UtilityClass");
+		handleExperimentalFlagUsage(annotationNode, ConfigurationKeys.UTILITY_CLASS_FLAG_USAGE, "@UtilityClass");
 		
 		deleteAnnotationIfNeccessary(annotationNode, UtilityClass.class);