diff --git a/NLP/Scores.hs b/NLP/Scores.hs
--- a/NLP/Scores.hs
+++ b/NLP/Scores.hs
@@ -22,6 +22,7 @@
       -- * Auxiliary types and functions
     , Count
     , Counts
+    , counts
     , sum
     , mean
     , jaccard
@@ -141,6 +142,7 @@
           logn = logBase 2 n
           f nx = nx / n * (logBase 2 nx - logn)
 
+-- | Creates count table 'Counts'
 counts :: (Ord a, Ord b) => [(a,b)] -> Counts a b
 counts xys = foldl' f empty xys
     where f cs@(Counts cxy cx cy) (!x,!y) = 
diff --git a/nlp-scores.cabal b/nlp-scores.cabal
--- a/nlp-scores.cabal
+++ b/nlp-scores.cabal
@@ -7,7 +7,7 @@
 -- The package version. See the Haskell package versioning policy
 -- (http://www.haskell.org/haskellwiki/Package_versioning_policy) for
 -- standards guiding when and how versions should be incremented.
-Version:             0.2.3
+Version:             0.3.0
 
 -- A short (one-line) description of the package.
 Synopsis:            Scoring functions commonly used for evaluation in NLP and IR