Change the code fragments in small improvements post

content/blog/04_compiler_improvements.md

@@ -69,7 +69,7 @@ but we don't need indentation, or recursion:
 {{< codelines "C++" "compiler/04/ast.cpp" 116 121 >}}
 
 Let's print the bodies of each function we receive from the parser:
-{{< codelines "C++" "compiler/04/main.cpp" 44 53 >}}
+{{< codelines "C++" "compiler/04/main.cpp" 41 56 >}}
 
 ### Printing Types
 Types are another thing that we want to be able to inspect, so let's
@@ -82,7 +82,7 @@ The implementation is simple enough:
 {{< codelines "C++" "compiler/04/type.cpp" 5 24 >}}
 
 Let's also print out the types we infer. We'll make it a separate loop
-in the `typecheck_program` function, because it's mostly just
+at the bottom of the `typecheck_program` function, because it's mostly just
 for debugging purposes:
 {{< codelines "C++" "compiler/04/main.cpp" 34 38 >}}