diff --git a/docs/introduction/introduction.rst b/docs/introduction/introduction.rst
index 52d58e163..f83a921c8 100644
--- a/docs/introduction/introduction.rst
+++ b/docs/introduction/introduction.rst
@@ -51,7 +51,7 @@ Name                         Description
                              modules.  With these signals `Decision Generator` will generate the target
                              trading decisions(i.e. portfolio, orders)
                              If RL-based Strategies are adopted, the `Policy` is learned in a end-to-end way,
-                             the trading deicsions are generated directly.
+                             the trading decisions are generated directly.
                              Decisions will be executed by `Execution Env`
                              (i.e. the trading market).  There may be multiple levels of `Strategy`
                              and `Executor` (e.g. an *order executor trading strategy and intraday order executor*