1 files changed, 5 insertions, 3 deletions
diff --git a/phrase-extract/SyntaxNodeCollection.h b/phrase-extract/SyntaxNodeCollection.h
index 405a77c5f..da0e1eca3 100644
--- a/phrase-extract/SyntaxNodeCollection.h
+++ b/phrase-extract/SyntaxNodeCollection.h
@@ -55,11 +55,13 @@ public:
     return m_nodes;
   };
 
-  size_t GetNumWords() const {
-    return m_numWords;
-  }
+  //! Get the number of words (defined as 1 + the max end pos of any node).
+  std::size_t GetNumWords() const { return m_numWords; }
+
+  //! Clear the container (this deletes the SyntaxNodes).
   void Clear();
 
+  //! Extract a SyntaxTree (assuming the collection's nodes constitute a tree).
   std::auto_ptr<SyntaxTree> ExtractTree();
 
 private: