diff --git a/ui/src/app/tools/[toolUuid]/page.tsx b/ui/src/app/tools/[toolUuid]/page.tsx
index 9c57e56..17a9b3d 100644
--- a/ui/src/app/tools/[toolUuid]/page.tsx
+++ b/ui/src/app/tools/[toolUuid]/page.tsx
@@ -440,9 +440,9 @@ const data = await response.json();`;
                                     View Code
                                 </Button>
                             )}
-                            {TOOL_DOCUMENTATION_URLS[tool.category as keyof typeof TOOL_DOCUMENTATION_URLS] && (
+                            {TOOL_DOCUMENTATION_URLS[tool.category] && (
                                 <a
-                                    href={TOOL_DOCUMENTATION_URLS[tool.category as keyof typeof TOOL_DOCUMENTATION_URLS]}
+                                    href={TOOL_DOCUMENTATION_URLS[tool.category]}
                                     target="_blank"
                                     rel="noopener noreferrer"
                                     className="flex items-center gap-1 text-sm text-muted-foreground hover:text-foreground transition-colors"
diff --git a/ui/src/constants/documentation.ts b/ui/src/constants/documentation.ts
index 870a314..92e29f1 100644
--- a/ui/src/constants/documentation.ts
+++ b/ui/src/constants/documentation.ts
@@ -1,6 +1,6 @@
 const DOCS_BASE = "https://docs.dograh.com";
 
-export const NODE_DOCUMENTATION_URLS = {
+export const NODE_DOCUMENTATION_URLS: Record<string, string> = {
     startCall: `${DOCS_BASE}/voice-agent/start-call`,
     endCall: `${DOCS_BASE}/voice-agent/end-call`,
     agent: `${DOCS_BASE}/voice-agent/agent`,
@@ -8,10 +8,10 @@ export const NODE_DOCUMENTATION_URLS = {
     apiTrigger: `${DOCS_BASE}/voice-agent/api-trigger`,
     webhook: `${DOCS_BASE}/voice-agent/webhook`,
     qaAnalysis: `${DOCS_BASE}/getting-started`,
-} as const;
+};
 
-export const TOOL_DOCUMENTATION_URLS = {
+export const TOOL_DOCUMENTATION_URLS: Record<string, string> = {
     http_api: `${DOCS_BASE}/voice-agent/tools/http-api`,
     end_call: `${DOCS_BASE}/voice-agent/tools/end-call`,
     transfer_call: `${DOCS_BASE}/voice-agent/tools/call-transfer`,
-} as const;
+};