diff --git a/include/utils/PolyatomicDamageEnergyFunction.h b/include/utils/PolyatomicDamageEnergyFunction.h
index c471afd4..90e3691f 100644
--- a/include/utils/PolyatomicDamageEnergyFunction.h
+++ b/include/utils/PolyatomicDamageEnergyFunction.h
@@ -45,7 +45,7 @@ class PolyatomicDamageEnergyFunction : public PolyatomicDisplacementFunctionBase
     return i;
   };
 
-  /// override the inverseMapIndex function: retrieves n given ijk
+  /// override the inverseMapIndex function: retrieves ijl given n
   void inverseMapIndex(unsigned int n,
                        unsigned int & i,
                        unsigned int & j,
diff --git a/include/utils/PolyatomicDisplacementDerivativeFunction.h b/include/utils/PolyatomicDisplacementDerivativeFunction.h
index 8054b6cd..d8f318d2 100644
--- a/include/utils/PolyatomicDisplacementDerivativeFunction.h
+++ b/include/utils/PolyatomicDisplacementDerivativeFunction.h
@@ -45,7 +45,7 @@ class PolyatomicDisplacementDerivativeFunction : public PolyatomicDisplacementFu
     return i + j * _n_species + l * _n_species * _n_species;
   };
 
-  /// override the inverseMapIndex function: retrieves n given ijk
+  /// override the inverseMapIndex function: retrieves ijl given n
   void inverseMapIndex(unsigned int n,
                        unsigned int & i,
                        unsigned int & j,
diff --git a/include/utils/PolyatomicDisplacementFunction.h b/include/utils/PolyatomicDisplacementFunction.h
index 24b43350..1dacafa6 100644
--- a/include/utils/PolyatomicDisplacementFunction.h
+++ b/include/utils/PolyatomicDisplacementFunction.h
@@ -38,7 +38,7 @@ class PolyatomicDisplacementFunction : public PolyatomicDisplacementFunctionBase
     return i + j * _n_species;
   };
 
-  /// override the inverseMapIndex function: retrieves n given ijk
+  /// override the inverseMapIndex function: retrieves ijl given n
   void inverseMapIndex(unsigned int n,
                        unsigned int & i,
                        unsigned int & j,