diff --git a/source/sponsor-us.md b/source/sponsor-us.md
index ca3b166..34c165f 100644
--- a/source/sponsor-us.md
+++ b/source/sponsor-us.md
@@ -26,7 +26,7 @@ Part of the sponsorship funds raised will go to securing tickets for underrepres
 # Sponsor document
 To see the full set of sponsorship tiers and benefits see the sponsor document here:
 
-[Sponsor document](sites/default/files/DCB%202019%20-%20Sponsorship.pdf)
+[Sponsor document](/sites/default/files/DCB%202019%20-%20Sponsorship.pdf)
 
 
 # Contact
@@ -34,4 +34,4 @@ If you are interested in sponsoring this event, or if you have any questions reg
 
 Tom Metcalfe - main contact
 Email​: [tom@drupalcampbristol.co.uk](​tom@drupalcampbristol.co.uk)
-Phone​: 07964 059 160
\ No newline at end of file
+Phone​: 07964 059 160