diff --git a/src/OpenMesh/Tools/Decimater/BaseDecimaterT.hh b/src/OpenMesh/Tools/Decimater/BaseDecimaterT.hh
index b2ee120f..14b97bea 100644
--- a/src/OpenMesh/Tools/Decimater/BaseDecimaterT.hh
+++ b/src/OpenMesh/Tools/Decimater/BaseDecimaterT.hh
@@ -205,7 +205,7 @@ protected: //---------------------------------------------------- private method
    *
    * Note that some modules might re-initialize in their
    * set_error_tolerance_factor function as necessary
-   * @param factor_ has to be in the closed interval between 0.0 and 1.0
+   * @param _factor has to be in the closed interval between 0.0 and 1.0
    */
   void set_error_tolerance_factor(double _factor);
 
diff --git a/src/OpenMesh/Tools/Decimater/ModBaseT.hh b/src/OpenMesh/Tools/Decimater/ModBaseT.hh
index 2d6b0e39..955f6d8e 100644
--- a/src/OpenMesh/Tools/Decimater/ModBaseT.hh
+++ b/src/OpenMesh/Tools/Decimater/ModBaseT.hh
@@ -261,7 +261,7 @@ public: // common interface
     *
     * Note that the module might need to be re-initialized again after
     * setting the percentage
-    * @param factor_ has to be in the closed interval between 0.0 and 1.0
+    * @param _factor has to be in the closed interval between 0.0 and 1.0
     */
    virtual void set_error_tolerance_factor(double _factor) {
      if (_factor >= 0.0 && _factor <= 1.0)