diff --git a/.gitignore b/.gitignore
index b893fbb..1cc48b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.o
 /gss
 /main
+/testsurfaces
diff --git a/README b/README
index e69de29..8986544 100644
--- a/README
+++ b/README
@@ -0,0 +1 @@
+I modified cotton's readme.
\ No newline at end of file
diff --git a/README2 b/README2
new file mode 100644
index 0000000..9909ade
--- /dev/null
+++ b/README2
@@ -0,0 +1,3 @@
+Read this!
+
+and make another change
\ No newline at end of file