diff --git a/testing/README.md b/testing/README.md
index 1cea696ec736dd0d527d634eb0477a6cc49ee845..f64711a9e3eb55b3c869661b5f4ae0934e42f772 100644
--- a/testing/README.md
+++ b/testing/README.md
@@ -5,12 +5,12 @@
 - 1.1.1 basic purpose
   - This product is a kind of calculator that performs various operations related to fixed point number.
   - For fixed-point arithmetic, c langauge's math library and type conversion are required.
+  - in iteration2, with using shift operation can create a variety of functions that perform differently under different conditions.
 
 ### - 1.2 concept
 - 1.1.2 basic concept
   - To operate several calculation for fixed-point numebr type casting is essential.
   - Correct type conversion is very important in order to accurately calculate and avoid missing bits.
-  - in iteration2, with using shift operation can create a variety of functions that perform differently under different conditions.
 - 1.1.3 concept of fixed-point number
   - ![image](/uploads/0ae109d4300d11722c53531d1a9615ac/image.png)
     - a. data types in computer langauge always have fixed length