diff --git a/archunit/src/main/java/com/tngtech/archunit/library/Architectures.java b/archunit/src/main/java/com/tngtech/archunit/library/Architectures.java
index 50d30309c5..7e35aa5041 100644
--- a/archunit/src/main/java/com/tngtech/archunit/library/Architectures.java
+++ b/archunit/src/main/java/com/tngtech/archunit/library/Architectures.java
@@ -271,11 +271,11 @@ private SortedSet<String> packagesOf(Set<String> allowedAccessorLayerNames) {
 
         @PublicAPI(usage = ACCESS)
         public LayerDependencySpecification whereLayer(String name) {
-            checkLayersExist(name);
+            checkLayerNameExist(name);
             return new LayerDependencySpecification(name);
         }
 
-        private void checkLayersExist(String... layerNames) {
+        private void checkLayerNameExist(String... layerNames) {
             for (String layerName : layerNames) {
                 checkArgument(layerDefinitions.containsKey(layerName), "There is no layer named '%s'", layerName);
             }
@@ -319,7 +319,7 @@ public LayeredArchitecture mayNotBeAccessedByAnyLayer() {
 
             @PublicAPI(usage = ACCESS)
             public LayeredArchitecture mayOnlyBeAccessedByLayers(String... layerNames) {
-                checkLayersExist(layerNames);
+                checkLayerNameExist(layerNames);
                 allowedAccessors.addAll(asList(layerNames));
                 descriptionSuffix = String.format("may only be accessed by layers ['%s']",
                         Joiner.on("', '").join(allowedAccessors));