diff --git a/content/3.defense-systems/bsta.md b/content/3.defense-systems/bsta.md
index 3d7980f4eb0b5da25b7ab21233ac8ab731639c75..dd03995df0f8b66c32cd7d9012e27e1246d801a5 100644
--- a/content/3.defense-systems/bsta.md
+++ b/content/3.defense-systems/bsta.md
@@ -9,7 +9,7 @@ tableColumns:
     Sensor: Unknown
     Activator: Unknown
     Effector: Unknown
-    PFAM: 
+    PFAM: ""
 contributors: 
     - Rachel Lavenir
 relevantAbstracts: