diff --git a/doc/go1.8.txt b/doc/go1.8.txt
index 3730644964..cab4c1f542 100644
--- a/doc/go1.8.txt
+++ b/doc/go1.8.txt
@@ -12,6 +12,7 @@ Ports:
 
 API additions and behavior changes:
 
+cmd/compile: args no longer live until end of function - use runtime.KeepAlive instead (CL 28310)
 crypto/tls: set Conn.ConnectionState.ServerName unconditionally (CL 22862)
 crypto/tls: support AES-128-CBC cipher suites with SHA-256 (CL 27315)
 crypto/tls: don't generate random ticket keys if already set (CL 27317)