diff --git a/H.Core.Test/Providers/Carbon/Table_7_Relative_Biomass_Information_Provider_Test.cs b/H.Core.Test/Providers/Carbon/Table_7_Relative_Biomass_Information_Provider_Test.cs
index 72547ec9..1e1ecb33 100644
--- a/H.Core.Test/Providers/Carbon/Table_7_Relative_Biomass_Information_Provider_Test.cs
+++ b/H.Core.Test/Providers/Carbon/Table_7_Relative_Biomass_Information_Provider_Test.cs
@@ -49,7 +49,7 @@ public void TestCleanup()
         public void GetData()
         {
             var result = _sut.GetData().ToList();
-            Assert.AreEqual(91, result.Count);
+            Assert.AreEqual(90, result.Count);
         }
 
         [TestMethod]
@@ -139,13 +139,12 @@ public void GetOats()
         public void GetLigninContentValue()
         {
             Table_7_Relative_Biomass_Information_Data data = _sut.GetResidueData(IrrigationType.RainFed, 0, CropType.SmallGrainCereals, SoilFunctionalCategory.Black, Province.Alberta);
-            Assert.AreEqual(0.074, data.LigninContent);
+            Assert.AreEqual(0.073, data.LigninContent);
 
             data = _sut.GetResidueData(IrrigationType.RainFed, 0, CropType.AlfalfaMedicagoSativaL, SoilFunctionalCategory.DarkBrown, Province.Alberta);
             Assert.AreEqual(0.133, data.LigninContent);
         }
 
-        
         #endregion
     }
 }
\ No newline at end of file
diff --git a/H.Core/Calculators/Carbon/CarbonCalculatorBase.cs b/H.Core/Calculators/Carbon/CarbonCalculatorBase.cs
index c47509d7..9f73483d 100644
--- a/H.Core/Calculators/Carbon/CarbonCalculatorBase.cs
+++ b/H.Core/Calculators/Carbon/CarbonCalculatorBase.cs
@@ -68,6 +68,7 @@ public double CalculateDigestateCarbonInputPerHectare(
 
         /// <summary>
         /// Equation 2.1.2-34
+        /// Equation 2.1.2-2
         ///
         /// (kg C ha^-1)
         /// </summary>