diff --git a/fdc.txt b/fdc.txt
index c21ae81..3c7e955 100644
--- a/fdc.txt
+++ b/fdc.txt
@@ -1146,7 +1146,7 @@
     975.7 "South Carolina"
     975.8 "Georgia"
     975.9 "Florida"
-   975 "Gulf States" + "Southwest, Old"
+   976 "Gulf States" + "Southwest, Old"
     976.1 "Alabama"
     976.2 "Mississippi"
     976.3 "Louisiana"