[#2403] Fix typo

diff --git a/doc/sphinx/arm/hooks-flex-id.rst b/doc/sphinx/arm/hooks-flex-id.rst
index d95db877cd0a280795049cea79114efbb6cf2797..c6a1224ac6ec8a3216b707e49441109bab5fd9c4 100644 (file)
--- a/doc/sphinx/arm/hooks-flex-id.rst
+++ b/doc/sphinx/arm/hooks-flex-id.rst
@@ -1,7 +1,7 @@
 .. _hooks-flex-id:
 
-Flexible Identifiers: Easier Management of Host Reservations
-============================================================
+Flexible Identifier: Easier Management of Host Reservations
+===========================================================
 
 The Kea software provides a way to handle
 host reservations that include addresses, prefixes, options, client