Fix documentation build warning.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>

diff --git a/docs/appendices/backend-writers-guide.rst b/docs/appendices/backend-writers-guide.rst
index aa7179470d87a5b7e13025285701725741a04bc9..3fecaaa5589dc023a8fd5427fecf0b5909701010 100644 (file)
--- a/docs/appendices/backend-writers-guide.rst
+++ b/docs/appendices/backend-writers-guide.rst
@@ -575,7 +575,7 @@ The following excerpt from the DNSBackend shows the relevant functions:
 
 The mentioned DomainInfo struct looks like this:
 
-.. cpp:struct:: DomainInfo
+.. cpp:class:: DomainInfo
 
 .. cpp:member:: domainid_t DomainInfo::id