diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e74f7d6
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+old.go
+old_test.go
+file.txt
diff --git a/README.md b/README.md
index 0311b9b..df86f92 100644
--- a/README.md
+++ b/README.md
@@ -67,7 +67,7 @@ func main() {
 
 ## Notice
 
-+ Opera and Opera Mini are two browsers, since they operate on very different way.
++ Opera and Opera Mini are two browsers, since they operate on very different ways.
 + If Googlebot (or any other bot) is detected and it is using its mobile crawler, both `bot` and `mobile` flags will be set to `true`.