Merge pull request liyin2015#1 from deepakps22/patch-1

Some typos fixed

Author: Li Yin

README.md

@@ -1,19 +1,19 @@
 # *The Comprehensive Coding Interview Guide*
-Partially open sourced content from my book serie, *The Comprehensive Coding Interview Guide*. Currently two parts and will be hopefully published as two books:
+Partially open sourced content from my book series, *The Comprehensive Coding Interview Guide*. Currently two parts and will be hopefully published as two books:
 - Learning: Data Structures and Algorithms Explained with LeetCode Problems
 - Cracking: The LeetCode Problem Catalog
 
-The book serie uses Python 3 as programming language, and LeetCode Problems as examples. The advantages of doing so are obvious:
+The book series uses Python 3 as programming language, and LeetCode Problems as examples. The advantages of doing so are obvious:
 
 (1) Python is becoming the most popular language in the age of AI, and there are not many interview guide books using Python.
 
 (2) Using LeetCode Problems because first they are real coding interview questions; second, with the online judge system, it is easier for learners to practice online and with the support of the community, it makes the learning process more fun.
 
 ## The Purpose of *The Comprehensive Coding Interview Guide*
-My purpose here is to offer any person who is interested with getting hands dirty with algorithms and coding a practical and strict manual to guide them through this process. The content is supposed to not only correct (that the code and algorithms work) and catchy  but also discreet (i.e , to know why it works, when it works, and how it works but not as theoretical as the *Introduction to Algorithms*).
+My purpose here is to offer any person who is interested with getting hands dirty with algorithms and coding a practical and strict manual to guide them through this process. The content is supposed to not only be correct (i.e. , the code and algorithms work) and catchy  but also discreet (i.e , to know why it works, when it works, and how it works but not as theoretical as the *Introduction to Algorithms*).
 
 ## Part 1: Learning: Data Structures and Algorithms Explained with LeetCode Problems
-As the first part of the serie, this part includes: 
+As the first part of the series, this part includes: 
 1. Introduction, 
 2. Fundamental Algorithm
 Design and Analysis (divide and conquer, complexity analysis), 
@@ -35,7 +35,7 @@ The Second part of the series focusing on catagorize problems and solve them typ
 ## Feedback
 If you like the example chapters that I put here, please leave your comment here. This book comes with a lot of hard work --personally, I paused my PhD program for a semester to focus on. Therefore, your comment is important to lead to the publication of the work. 
 
-If you have ideas to imporove the book, about formating, more contents, or correct the erros are also very welcome too. 
+If you have ideas to improve the book, about formatting, more contents, or correct the errors are also very welcome too. 
 ## Possible Cooperation
 If you are excellent with algorithms, or top leaders on the LeetCode Weekly contest, or made in the ACM ICPC contest, and are interested into helping and potentially coauthor on some parts of the book, please do not hesitate to contact me.