From 8527b11e129d43a1551afe81539e673d5c857681 Mon Sep 17 00:00:00 2001
From: David Rotermund <54365609+davrot@users.noreply.github.com>
Date: Wed, 15 Mar 2023 14:03:32 +0100
Subject: [PATCH] Update README.md

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 README.md | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 35f942d..9d95f42 100644
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@@ -43,8 +43,9 @@ If you want to load existing weights, just put them in a sub-folder called Previ
 
 ## NNMF
 
-**Learning the parts of objects by non-negative matrix factorization**
-Lee, Daniel D., and H. Sebastian Seung. Nature 401.6755 (1999): 788-791.
+**Learning the parts of objects by non-negative matrix factorization**  
+Lee, Daniel D., and H. Sebastian Seung. Nature 401.6755 (1999): 788-791.  
+https://doi.org/10.1038/44565  
 
-**Algorithms for non-negative matrix factorization.**
-Lee, Daniel, and H. Sebastian Seung. Advances in neural information processing systems 13 (2000).
+**Algorithms for non-negative matrix factorization.**  
+Lee, Daniel, and H. Sebastian Seung. Advances in neural information processing systems 13 (2000).