diff --git a/README.md b/README.md
index 92910c7..14f18de 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,8 @@ Makefile generator for C projects.
 
 `mgen` automatically generates build rules for all source files (extension `.c`)
 it finds in a recursive search of the directory in which it is run. It places
-the rules in your existing makefile, meaning you can easily change build options
-and even write your own rules based on those generated.
+the rules in your existing GNU makefile, meaning you can easily change build
+options and even write your own rules based on those generated.
 
 `mgen` will place the generated rules between the strings "`#=mgen_start=#`" and
 "`#=mgen_end=#`" in your makefile. If these lines are not present, it will add
@@ -49,7 +49,7 @@ include:
    rules can use the ones generated by `mgen`, or you can just use the generated
    ones; it's up to you, `mgen` gives you that option.
 1. **Portability.** Once the makefile is generated, it can be run on any machine
-   that runs `make`. Your users do not have to have `mgen` to compile your
+   that runs GNU `make`. Your users do not have to have `mgen` to compile your
    program, they can just use the generated makefile.
 
 ## Usage
diff --git a/src/makefile.rs b/src/makefile.rs
index d21d5db..5810a71 100644
--- a/src/makefile.rs
+++ b/src/makefile.rs
@@ -1,5 +1,4 @@
 use std::{fs, io::ErrorKind};
-
 use regex::Regex;
 
 const START_KEY: &str = "#=mgen_start=#\n";