diff --git a/doc/sandbox/README.md b/doc/sandbox/README.md
index 7ff9f45b3e..2e14d84429 100644
--- a/doc/sandbox/README.md
+++ b/doc/sandbox/README.md
@@ -19,8 +19,8 @@ the rules are described in a lispy .sb file:
 **NOTE**: r2 -S is an alias for -e cfg.sandbox=true
 
 
-OpenBSD (starting to 5.9)
--------------------------
+OpenBSD (from 5.9)
+------------------
 
 OpenBSD comes with support for sandboxing using the pledge(2) syscall.
 
@@ -45,6 +45,14 @@ Run with the generated profile
 
 	$ systrace -a r2 -S /bin/ls
 
+FreeBSD (from 10.0)
+-------------------
+
+FreeBSD comes with the Capsicum framework support,
+ using cap_enter(2).
+
+Operations limited on what basic capability mode support.
+
 Other
 -----