diff --git a/volcanic/decollement-sources/README.md b/volcanic/decollement-sources/README.md
index ebdc717d647b16c0c4442055cf850c93d908141b..53569f59ec9ce341800ef2ad63d251dc61d0a361 100644
--- a/volcanic/decollement-sources/README.md
+++ b/volcanic/decollement-sources/README.md
@@ -36,4 +36,4 @@ NSHM Hawaii source ID numbers are in the range 5000-5999 (see [nshm-fault-sectio
 |    merged      |         | 5020       |
 |    extended    |         | 5021       |
 
-[1]: https://code.usgs.gov/ghsc/nshmp/nshm-fault-sections/-/blob/master/docs/Contents.md
+[1]: https://code.usgs.gov/ghsc/nshmp/nshm-fault-sections/-/blob/main/docs/Contents.md#numbering