diff --git a/impA.txt b/impA.txt
new file mode 100644
index 0000000..615feaf
--- /dev/null
+++ b/impA.txt
@@ -0,0 +1 @@
+improvement A
diff --git a/impB.txt b/impB.txt
new file mode 100644
index 0000000..7625e63
--- /dev/null
+++ b/impB.txt
@@ -0,0 +1 @@
+improvement B