diff --git a/Collections/DictionaryExtensions.cs b/Collections/DictionaryExtensions.cs
index f848b45..aae8985 100644
--- a/Collections/DictionaryExtensions.cs
+++ b/Collections/DictionaryExtensions.cs
@@ -5,7 +5,7 @@ namespace NEG.Utils.Collections
     public static class DictionaryExtensions
     {
         /// <summary>
-        /// Adds an element to a dictionary if there was none assigned to specified <paramref name="key"/>, otherwise replaces the existing 
+        /// Adds given value to a dictionary if there was no element at given <paramref name="key"/>, replaces element with <paramref name="value"> otherwise.
         /// </summary>
         /// <returns>true if element was added, false if it was replaced</returns>
         public static bool AddOrUpdate<K, V>(this Dictionary<K, V> dict, K key, V value)
@@ -24,9 +24,9 @@ namespace NEG.Utils.Collections
 
 
         /// <summary>
-        /// Gets a value from the dictionary under a specified key or sets it if there was no assoiation then return the associated value
+        /// Gets a value from the dictionary under a specified key or adds it if did not exist and returns <paramref name="defaultValue"/>.
         /// </summary>
-        /// <returns></returns>
+        /// <returns>value under a given <paramref name="key"/> if it exists, <paramref name="defaultValue"/> otherwise</returns>
         public static V GetOrSetToDefault<K, V>(this Dictionary<K, V> dict, K key, V defaultValue)
         {
             if (dict.TryGetValue(key, out V value))