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diff --git a/README.md b/README.md
index 75115de3..df2ff06c 100644
--- a/README.md
+++ b/README.md
@@ -1,39 +1,39 @@
 # Simple
 A Simple showcase for the Sea-of-Nodes compiler IR
 
-This repo is intended to demonstrate the Sea-of-Nodes compiler IR.  
+This repo is intended to demonstrate the Sea-of-Nodes compiler IR.
 
-The Sea-of-Nodes is the core IR inside of HotSpot's C2 compiler 
+The Sea-of-Nodes is the core IR inside of HotSpot's C2 compiler
 and Google's V8 compiler and Sun/Oracle's Graal compiler.
 
-Since we are show casing the SoN IR, the *language* being implemented is less important.  
+Since we are show casing the SoN IR, the *language* being implemented is less important.
 We're using a very simple language similar to C or Java, but with far fewer features.
-The Sea-of-Nodes is used for machine code generation in these industrial 
-strength systems - but for this demonstration the backend is both difficult 
+The Sea-of-Nodes is used for machine code generation in these industrial
+strength systems - but for this demonstration the backend is both difficult
 and less important.
 
-This repo also is not intended to be a complete language in any sense, 
+This repo also is not intended to be a complete language in any sense,
 and so the backend will probably start with levering C or Java.
 
 ## Chapters
 
 The following is a rough plan, subject to change.
 
-Each chapter will be self-sufficient and complete; in the sense that each chapter will fully implement 
-a subset of the simple language, and include everything that was created in the previous chapter. 
-Each chapter will also include a detailed commentary on relevant aspects of the 
+Each chapter will be self-sufficient and complete; in the sense that each chapter will fully implement
+a subset of the simple language, and include everything that was created in the previous chapter.
+Each chapter will also include a detailed commentary on relevant aspects of the
 Sea Of Nodes intermediate representation.
 
-The simple language will be a small subset of C. 
+The simple language will be a small subset of C.
 
 * [Chapter 1](chapter01/README.md): Script that returns an integer literal, i.e., an empty function that takes no arguments and returns a single integer value. The `return` statement.
 * [Chapter 2](chapter02/README.md): Simple binary arithmetic such as addition, subtraction, multiplication, division
   with constants. Peephole optimization / simple constant folding.
 * [Chapter 3](chapter03/README.md): Local variables, and assignment statements. Read on RHS, SSA, more peephole optimization if local is a
   constant.
-* [Chapter 4](chapter04/README.md): A non-constant external variable input named `arg`. Binary and Comparison operators involving constants and `arg`. Non-zero values will be truthy. Peephole optimizations involving algebraic simplifications. 
+* [Chapter 4](chapter04/README.md): A non-constant external variable input named `arg`. Binary and Comparison operators involving constants and `arg`. Non-zero values will be truthy. Peephole optimizations involving algebraic simplifications.
 * [Chapter 5](chapter05/README.md): `if` statement. CFG construction.
-* [Chapter 6](chapter06/README.md): Peephole optimization around dead control flow. 
+* [Chapter 6](chapter06/README.md): Peephole optimization around dead control flow.
 * [Chapter 7](chapter07/README.md): `while` statement. Looping construct - eager phi approach.
 * [Chapter 8](chapter08/README.md): Looping construct continued, lazy phi creation, `break` and `continue` statements.
 * [Chapter 9](chapter09/README.md): Global Value Numbering. Iterative peepholes to fixpoint. Worklists.
@@ -46,4 +46,4 @@ The simple language will be a small subset of C.
 * Chapter 16: Code generation: perhaps to Java bytecodes.
 * Chapter 17: Code generation: to native X86 or ARM. Instruction selection, BURS. Register allocation.
 * Chapter 18: Exceptions
-* Chapter 19: Garbage Collection.
\ No newline at end of file
+* Chapter 19: Garbage Collection.