diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index bb253ce263..94d6c12681 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -4243,7 +4243,7 @@ category notify { null; };
 		      number (E(#)), if TCP was used (T), if DO
 		      (DNSSEC Ok) was set (D), if CD (Checking
 		      Disabled) was set (C), if a valid DNS Server
-		      COOKIE was recieved (V), or if a DNS COOKIE
+		      COOKIE was received (V), or if a DNS COOKIE
 		      option without a valid Server COOKIE was
 		      present (K).  After this the destination
 		      address the query was sent to is reported.