Fix typo

Author: hezhizhen

README.md

@@ -348,7 +348,7 @@ Choose one:
 
 Here are my recommendations by language. I don't have resources for all languages. I welcome additions.
 
-If you read though one of these, you should have all the data structures and algorithms knowledge you'll need to start doing coding problems.
+If you read through one of these, you should have all the data structures and algorithms knowledge you'll need to start doing coding problems.
 **You can skip all the video lectures in this project**, unless you'd like a review.
 
 [Additional language-specific resources here.](programming-language-resources.md)