diff --git a/src/OpenMesh/Core/Mesh/PolyConnectivity.hh b/src/OpenMesh/Core/Mesh/PolyConnectivity.hh
index 864f185e..423ccb0a 100644
--- a/src/OpenMesh/Core/Mesh/PolyConnectivity.hh
+++ b/src/OpenMesh/Core/Mesh/PolyConnectivity.hh
@@ -360,17 +360,17 @@ public:
   ConstVertexRange vertices() const { return ConstVertexRange(*this); }
 
   /**
-   * @return The vertices as a range object suitable for C++11 range based for loops.
+   * @return The halfedges as a range object suitable for C++11 range based for loops.
    */
   ConstHalfedgeRange halfedges() const { return ConstHalfedgeRange(*this); }
 
   /**
-   * @return The vertices as a range object suitable for C++11 range based for loops.
+   * @return The edges as a range object suitable for C++11 range based for loops.
    */
   ConstEdgeRange edges() const { return ConstEdgeRange(*this); }
 
   /**
-   * @return The vertices as a range object suitable for C++11 range based for loops.
+   * @return The faces as a range object suitable for C++11 range based for loops.
    */
   ConstFaceRange faces() const { return ConstFaceRange(*this); }
   //@}
diff --git a/src/Unittests/int2roman.hh b/src/Unittests/int2roman.hh
index 356578be..37ee03a7 100644
--- a/src/Unittests/int2roman.hh
+++ b/src/Unittests/int2roman.hh
@@ -23,12 +23,9 @@ std::string int2roman( size_t decimal, size_t length = 30 )
   size_t power;	// power of ten
   size_t index;  // Indexes thru values to subtract
 
-  std::string roman;
-
+  std::string roman = "";
   roman.reserve(length);
 
-  roman[ 0 ] = '\0';
-
   for ( power = 0; power < nrows; power++ )
     for ( index = 0; index < ncols; index++ )
 	while ( decimal >= table_arabs[ power ][ index ] )