Revise sentence

README.md

@@ -681,7 +681,7 @@ firstname, surname = get_full_name()
 print("Hello, Mr. " + surname)
 ```
 
-The majority of static analysis tools complain if a variable is assigned but not used thereafter.
+The majority of tools for static code analysis complain if a variable is assigned but not used thereafter.
 By convention, unused values are assigned to `i`, `j`, `k`, and `_` (underscore character) and
 are understood as such.  However, we think `junk` is more readable than `_` and easier for
 newcomers to understand.