diff --git a/101-linq-samples/src/QueryExecution.cs b/101-linq-samples/src/QueryExecution.cs
index ab7ff05..af4fc50 100644
--- a/101-linq-samples/src/QueryExecution.cs
+++ b/101-linq-samples/src/QueryExecution.cs
@@ -8,7 +8,7 @@ public class QueryExecution
         public int DeferredExecution()
         {
             #region deferred-execution
-            // Sequence operators form first-class queries that
+            // Sequence operators from first-class queries that
             // are not executed until you enumerate over them.
 
             int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };