diff --git a/met/data/config/README b/met/data/config/README
index e09413030b..55c0c77edd 100644
--- a/met/data/config/README
+++ b/met/data/config/README
@@ -53,7 +53,7 @@ The configuration file language supports the following data types:
          - In the Gen-Vx-Mask "-thresh" command line option.
       - The following percentile threshold types are supported:
          - "SFP" for a percentile of the sample forecast values.
-           e.g. ">SFP50" means greater than the 50-th forecast percentile.
+           e.g. ">SFP33.3" means greater than the 33.3-rd forecast percentile.
          - "SOP" for a percentile of the sample observation values.
            e.g. ">SOP75" means greater than the 75-th observation percentile.
          - "SCP" for a percentile of the sample climatology values.