diff --git a/tutorial/en/1-Skeleton.md b/tutorial/en/1-Skeleton.md
index bf59e3a..dcd0f24 100644
--- a/tutorial/en/1-Skeleton.md
+++ b/tutorial/en/1-Skeleton.md
@@ -142,11 +142,11 @@ git clone -b step-0 https://github.com/lotabout/write-a-C-interpreter
 ```
 
 Note that I might fix bugs later, and if there is any incosistance between the
-artical and the code branches, follow the article. I would only update code in
+article and the code branches, follow the article. I would only update code in
 the master branch.
 
 ## Summary
 
 After some boring typing, we have the simplest compiler: a do-nothing
-compiler. In next chapter, we will implement the `eval` function, i.e. our own
+compiler. In the next chapter, we will implement the `eval` function, i.e. our own
 virtual machine. See you then.