diff --git a/readme.md b/readme.md
index c3d7b84..d47b990 100644
--- a/readme.md
+++ b/readme.md
@@ -9,8 +9,8 @@
 # Time Algorithm
 ``` mermaid
 flowchart TD
-    A(Start)--> B[time = 0]
-    B --> C{time < desireTime}
+    A(Start)--> B[relTime = 0]
+    B --> C{relTime < desireTime}
     C ---->|No| E[End]
     C -->|Yes| D[End]
 ```