Update README.md

README.md

@@ -13,10 +13,10 @@ RoboCOIN is an open-source bimanual robot manipulation dataset developed by the
 🔍 Dataset Quick Exploration Tool
 
 
-To facilitate efficient data exploration for researchers, we have developed a lightweight web tool RoboCOIN-DataManager：
+To facilitate efficient data exploration for researchers, we have developed a lightweight web tool RoboCOIN-DataManager.
 
 
-👉 CLick and try it now！ https://flagopen.github.io/RoboCOIN-DataManager/
+👉 CLick and try it now: https://flagopen.github.io/RoboCOIN-DataManager/
 
 
 📚 Related Links