From 5c33821e8a4899f3435b1cd3b074fb9db619d253 Mon Sep 17 00:00:00 2001
From: Bailey Everts <beverts312@users.noreply.github.com>
Date: Fri, 7 Nov 2025 13:40:13 -0700
Subject: [PATCH] fix(techdocs): use correct type for
 additionalAllowedUriProtocols

Signed-off-by: Bailey Everts <beverts312@users.noreply.github.com>
---
 .changeset/gentle-results-lie.md | 5 +++++
 plugins/techdocs/config.d.ts     | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/gentle-results-lie.md

diff --git a/.changeset/gentle-results-lie.md b/.changeset/gentle-results-lie.md
new file mode 100644
index 0000000000..0c53407db3
--- /dev/null
+++ b/.changeset/gentle-results-lie.md
@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+Fixed schema type for additionalAllowedURIProtocols
diff --git a/plugins/techdocs/config.d.ts b/plugins/techdocs/config.d.ts
index 7294f52816..8edab64176 100644
--- a/plugins/techdocs/config.d.ts
+++ b/plugins/techdocs/config.d.ts
@@ -67,7 +67,7 @@ export interface Config {
        *  @see: https://raw.githubusercontent.com/cure53/DOMPurify/master/src/regexp.ts
        * @visibility frontend
        */
-      additionalAllowedURIProtocols?: string;
+      additionalAllowedURIProtocols?: string[];
     };
   };
 }