diff --git a/GFA-spec.md b/GFA-spec.md
new file mode 100644
index 0000000..0ad43a3
--- /dev/null
+++ b/GFA-spec.md
@@ -0,0 +1,4 @@
+# GFA: Graphical Fragment Assembly
+
++ The specification for GFA 2.0 is at [GFA2.md](GFA2.md)
++ The specification for GFA 1.0 is at [GFA1.md](GFA1.md)