Fix spelling of 'detailed'

Change-Id: I28cad42fa00bd9418a821d2a47765c52a30d0f49
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/Documentation/rest-api-accounts.txt b/Documentation/rest-api-accounts.txt
index 73bb72d..6a81e8f 100644
--- a/Documentation/rest-api-accounts.txt
+++ b/Documentation/rest-api-accounts.txt
@@ -1879,7 +1879,7 @@
 
 [[account-detail-info]]
 === AccountDetailInfo
-The `AccountDetailInfo` entity contains detailled information about an
+The `AccountDetailInfo` entity contains detailed information about an
 account.
 
 `AccountDetailInfo` has the same fields as link:#account-info[