diff --git a/ifc/README.md b/ifc/README.md
new file mode 100644
index 0000000..8ef3823
--- /dev/null
+++ b/ifc/README.md
@@ -0,0 +1,3 @@
+# IFC
+
+Here, IFC file input
diff --git a/output/README.md b/output/README.md
index 22e0f66..f1c1242 100644
--- a/output/README.md
+++ b/output/README.md
@@ -1 +1,3 @@
 # Output
+
+Here, csv and ifc file output