diff --git a/PRIVATE b/PRIVATE
index 9f4ffce8b..fc04b9ef6 160000
--- a/PRIVATE
+++ b/PRIVATE
@@ -1 +1 @@
-Subproject commit 9f4ffce8b2df951191a14dc3229de1aee6e544e6
+Subproject commit fc04b9ef621161e60a2f8b72bfa8c99e77687c71
diff --git a/python/damask/_result.py b/python/damask/_result.py
index fd70ff1c0..5d04a79b7 100644
--- a/python/damask/_result.py
+++ b/python/damask/_result.py
@@ -1252,6 +1252,11 @@ class Result:
 
         .. math::
 
+            m = 0 \\\\
+            \vb*{\epsilon}_V^{(0)} = \ln (\vb{V}) \\\\
+            \vb*{\epsilon}_U^{(0)} = \ln (\vb{U}) \\\\
+
+            m \neq 0 \\\\
             \vb*{\epsilon}_V^{(m)} = \frac{1}{2m} (\vb{V}^{2m} - \vb{I}) \\\\
             \vb*{\epsilon}_U^{(m)} = \frac{1}{2m} (\vb{U}^{2m} - \vb{I})