diff --git a/doc/src/Regression/Regression.do.txt b/doc/src/Regression/Regression.do.txt
index 83c4f6bc9..af55ab6bd 100644
--- a/doc/src/Regression/Regression.do.txt
+++ b/doc/src/Regression/Regression.do.txt
@@ -947,7 +947,7 @@ How can we use the singular value decomposition to find the parameters $\beta_j$
 !eblock
 
 
-Add codes and discuss this in connection with lasso and ridge, show example where the standard inversion of a matrix fails and where SVD comes to rescue
+Add codes and discuss this in connection with lasso and ridge, show example where the standard inversion of a matrix fails and where SVD comes to rescue. Include first a discussion of the general SVD and then discuss the thin SVD.
 
 
 !split