diff --git a/lib/spack/docs/packaging_guide.rst b/lib/spack/docs/packaging_guide.rst
index ec83679a472..d8c2ac9d516 100644
--- a/lib/spack/docs/packaging_guide.rst
+++ b/lib/spack/docs/packaging_guide.rst
@@ -4029,6 +4029,8 @@ be available to the test method in the directory
 While source files are generally recommended, for many packages
 binaries may also technically be cached in this way for later testing.
 
+.. _cmd-spack-test:
+
 """""""""""""""""""""
 Running install tests
 """""""""""""""""""""