diff --git a/README.md b/README.md
index f0cfbcf..dde6628 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@ The ComPACT catalogue contains 2,962 candidates. Below we describe columns:
 + SZcat: Name of the object from the SZcat catalogue
 + ACT: Cluster name in the ACT DR5 catalogue
 + PSZ2:	PSZ2 source name 
-+ Priority: Priotity of candidate along S area:
-    -  1: S > 30 ( $Purity_{min} = 0.8$ )
++ Priority: reliability of candidate along S area:
+    -  1: S > 30 ( $Purity_{min} = 0.84$ )
     - 2: S > 25 ( $Purity_{min} = 0.78$ )
     - 3: S > 20 ( $Purity_{min} = 0.74$ )