diff --git a/src/doc/rustc/src/target-tier-policy.md b/src/doc/rustc/src/target-tier-policy.md
index 95932db14e1f6..65d4a13388de8 100644
--- a/src/doc/rustc/src/target-tier-policy.md
+++ b/src/doc/rustc/src/target-tier-policy.md
@@ -246,6 +246,8 @@ approved by the appropriate team for that shared code before acceptance.
     introducing unconditional uses of features that another variation of the
     target may not have; use conditional compilation or runtime detection, as
     appropriate, to let each target run code supported by that target.
+- Tier 3 targets must be able to produce object code using at least one of
+  rustc's supported backends.
 
 If a tier 3 target stops meeting these requirements, or the target maintainers
 no longer have interest or time, or the target shows no signs of activity and