diff --git a/data/README b/data/README
index 23f62a12d0e0dfae48acaae3161c062bffa95cfb..bff9eb04e60ba693359996932d5b1b1a10cd2988 100644
--- a/data/README
+++ b/data/README
@@ -1,5 +1,19 @@
 Contents of each file
 
+graphdata_properties.m - see file header
+    n from 100 to 1000 step 100
+    tauValues: {2.1,2.2,2.3,2.4,2.5,2.6,2.7,2.8,2.9}
+    degreeSamples: 2000
+    mixingTime: 30 * (50 - 30 (tau - 2)) n
+    data:
+    1: {n,tau}
+    2: avgTriangles
+    3: edges
+    4: dstn
+    5: { HH A, HH L, average A, average L }  where for each there is (average of) {lambda1 , lambda1 - lambda2, lambda1/lambda2}
+    6: switching successrate after mixing
+    7: initial HH triangles
+
 graphdata_exponent_mixN.m
     output: {{n,tau},avgTriangles}
     n from 200 to 2000 with step 200 (2000-4000 for mix32)