diff --git a/CHANGELOG.md b/CHANGELOG.md
index 10fc5cd..7c857bf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,8 @@
 
+## 1.21.0.0
+
+* Add Probabilistic-MultiLabel-F-measure
+
 ## 1.20.1.0
 
 * Fix Soft2D-F1 metric
diff --git a/geval.cabal b/geval.cabal
index 7d4ab43..ec75042 100644
--- a/geval.cabal
+++ b/geval.cabal
@@ -1,5 +1,5 @@
 name:                geval
-version:             1.20.1.0
+version:             1.21.0.0
 synopsis:            Machine learning evaluation tools
 description:         Please see README.md
 homepage:            http://github.com/name/project
diff --git a/src/GEval/OptionsParser.hs b/src/GEval/OptionsParser.hs
index 83c17a5..f2e7566 100644
--- a/src/GEval/OptionsParser.hs
+++ b/src/GEval/OptionsParser.hs
@@ -115,7 +115,7 @@ optionsParser = GEvalOptions
    <*> optional (strOption
                  ( long "plot-graph"
                    <> metavar "FILE-PATH"
-                   <> help "Plot an extra graph, applicable only for Probabilistic-Soft-F-score (LOESS function for calibration)"))
+                   <> help "Plot an extra graph, applicable only for Probabilistic-MultiLabel/Soft-F-score (LOESS function for calibration)"))
 
 precisionArgParser :: Parser Int
 precisionArgParser = option auto