diff --git a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableArrayList.java b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableArrayList.java
index 2ef1c5d7..98863cdd 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableArrayList.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableArrayList.java
@@ -40,7 +40,7 @@ public class ImmutableArrayList<E> extends ArrayList<E> {
     public ImmutableArrayList() {}
 
     /**
-     * Converts a {@link LinkedList} into a {@link ImmutableArrayList}.
+     * Converts a {@link LinkedList} into an {@link ImmutableArrayList}.
      *
      * @param list {@link List} to convert
      * @since v1-alpha1
diff --git a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableHashMap.java b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableHashMap.java
index f84894d0..e804a09e 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableHashMap.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableHashMap.java
@@ -27,7 +27,7 @@ import java.util.Map;
 import java.util.function.BiFunction;
 
 /**
- * An unmodifiable {@link Map}.
+ * An unmodifiable {@link HashMap}.
  *
  * @param <K> contained key type
  * @param <V> contained value type
@@ -43,7 +43,7 @@ public class ImmutableHashMap<K, V> extends HashMap<K, V> {
     public ImmutableHashMap() {}
 
     /**
-     * Converts a {@link Map} into a {@link ImmutableHashMap}.
+     * Converts a {@link Map} into an {@link ImmutableHashMap}.
      *
      * @param map {@link Map} to convert
      * @since v1-alpha1
diff --git a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedHashMap.java b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedHashMap.java
index a802607d..b6c2cc25 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedHashMap.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedHashMap.java
@@ -43,7 +43,7 @@ public class ImmutableLinkedHashMap<K, V> extends LinkedHashMap<K, V> {
     public ImmutableLinkedHashMap() {}
 
     /**
-     * Converts a {@link Map} into a {@link ImmutableLinkedHashMap}.
+     * Converts a {@link Map} into an {@link ImmutableLinkedHashMap}.
      *
      * @param map {@link Map} to convert
      * @since v1-alpha1
diff --git a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedList.java b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedList.java
index 9cad4ea8..028bcab1 100644
--- a/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedList.java
+++ b/base/src/main/java/de/staropensource/sosengine/base/types/immutable/ImmutableLinkedList.java
@@ -43,7 +43,7 @@ public class ImmutableLinkedList<E> extends LinkedList<E> {
     public ImmutableLinkedList() {}
 
     /**
-     * Converts a {@link LinkedList} into a {@link ImmutableLinkedList}.
+     * Converts a {@link LinkedList} into an {@link ImmutableLinkedList}.
      *
      * @param list {@link List} to convert
      * @since v1-alpha1