diff --git a/README_DETAIL.md b/README_DETAIL.md
index 9e799bf..2b9688c 100644
--- a/README_DETAIL.md
+++ b/README_DETAIL.md
@@ -2,7 +2,7 @@ WHY???
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 In short: We're encouraging more people to learn and understand the ideology of GitHub without coding. 
 
-There are quasi-programmers and non-programmers who need to participate in collaborative projects. So it's excatly suitable to practice in this project because no coding skills are required here.
+There are quasi-programmers and non-programmers who need to participate in collaborative projects. So it's exactly suitable to practice in this project because no coding skills are required here.
 
 Will this project take up a lot of GitHub resources?
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@@ -18,7 +18,7 @@ Is this project really helpful?
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 Yes, we think.
 
-This project has already gained attention about GitHub and teached lots of people 
+This project has already gained attention about GitHub and taught lots of people 
 "the ideology and the workflow of GitHub" and "how to use GitHub simply" in an easy-to-understand way.
 
 This project has also developed users' team cooperation ability: Join the discussion and solve problems such as