Index: share/man/man7/hier.7
===================================================================
--- share/man/man7/hier.7
+++ share/man/man7/hier.7
@@ -380,6 +380,8 @@
 .It Pa aout/
 a.out backward compatibility libraries
 .El
+.It Pa debug/
+standalone debug data for the base system libraries and binaries
 .It Pa dtrace/
 DTrace library scripts
 .It Pa engines/