diff --git a/Glycine/max/studies/glyma.Kovinich_Saleem_2012.yml b/Glycine/max/studies/glyma.Kovinich_Saleem_2012.yml
index 153cf34..60bafd3 100644
--- a/Glycine/max/studies/glyma.Kovinich_Saleem_2012.yml
+++ b/Glycine/max/studies/glyma.Kovinich_Saleem_2012.yml
@@ -24,7 +24,7 @@ references:
     pmid: 22107112
   - citation: Palmer RG, Pfeiffer TW et al., 2004
     doi: 10.2134/agronmonogr16.3ed.c5
-    ---
+---
 scientific_name: Glycine max
 gene_symbols: ANR2
   -