diff --git a/beginner_python/09-nested-loops.py b/beginner_python/09-nested-loops.py
index 597833c..86abdb9 100644
--- a/beginner_python/09-nested-loops.py
+++ b/beginner_python/09-nested-loops.py
@@ -3,6 +3,9 @@
 
 #The previous section had this loop. 
 #The only thing we did was print j and a new line.
+
+# nested loop means you can use the loop in side any other loop. means loop in loop for beter understend read this.
+
 for i in range(4):
     for j in range(5):
         print(j, end=" ")
@@ -129,4 +132,4 @@
         sum += j
         j -= 1
     print(sum) 
-    i -= 1
\ No newline at end of file
+    i -= 1