diff --git a/Simon_Garfunkel/The_boxer.sg b/Simon_Garfunkel/The_boxer.sg
index 59350ef9..88712d67 100644
--- a/Simon_Garfunkel/The_boxer.sg
+++ b/Simon_Garfunkel/The_boxer.sg
@@ -1,5 +1,5 @@
 \songcolumns{2}
-\beginsong{The boxer}[by=Simon \& Garfunkel,cov=Concert-in-central-park]
+\beginsong{The boxer}[by=Simon \& Garfunkel,cov=concert-in-central-park]
 
 
 \cover
diff --git a/Simon_Garfunkel/Concert-in-central-park.jpg b/Simon_Garfunkel/concert-in-central-park.jpg
similarity index 100%
rename from Simon_Garfunkel/Concert-in-central-park.jpg
rename to Simon_Garfunkel/concert-in-central-park.jpg