Fix readme typo

Author: erjanmx

README.md

@@ -47,7 +47,7 @@
 ## 🔥 Highlights
 
 
-- 🏗️ A scalable simulation pipepline that synthesizes diverse and high-fidelity reactive driving scenarios with pseudo-expert demonstrations. 
+- 🏗️ A scalable simulation pipeline that synthesizes diverse and high-fidelity reactive driving scenarios with pseudo-expert demonstrations. 
 - 🚀 An effective sim-real co-training strategy that improves robustness and generalization synergistically across various end-to-end planners. 
 - 🔬 A comprehensive recipe that reveals crucial insights into the underlying scaling properties of sim-real learning systems for end-to-end autonomy.