diff --git a/crossplane/1.12/_custom/resource.libsonnet b/crossplane/1.12/_custom/resource.libsonnet
index e6c95f7ed8..e5c85dc277 100644
--- a/crossplane/1.12/_custom/resource.libsonnet
+++ b/crossplane/1.12/_custom/resource.libsonnet
@@ -99,6 +99,7 @@ local d = import 'doc-util/main.libsonnet';
               type: 'string',
               string: {
                 fmt: '%s-' + suffix,
+                type: 'Format',
               },
             }],
           },
diff --git a/crossplane/1.13/_custom/resource.libsonnet b/crossplane/1.13/_custom/resource.libsonnet
index e6c95f7ed8..e5c85dc277 100644
--- a/crossplane/1.13/_custom/resource.libsonnet
+++ b/crossplane/1.13/_custom/resource.libsonnet
@@ -99,6 +99,7 @@ local d = import 'doc-util/main.libsonnet';
               type: 'string',
               string: {
                 fmt: '%s-' + suffix,
+                type: 'Format',
               },
             }],
           },
diff --git a/crossplane/1.14/_custom/resource.libsonnet b/crossplane/1.14/_custom/resource.libsonnet
index e6c95f7ed8..e5c85dc277 100644
--- a/crossplane/1.14/_custom/resource.libsonnet
+++ b/crossplane/1.14/_custom/resource.libsonnet
@@ -99,6 +99,7 @@ local d = import 'doc-util/main.libsonnet';
               type: 'string',
               string: {
                 fmt: '%s-' + suffix,
+                type: 'Format',
               },
             }],
           },