diff --git a/packages/node/express/src/express/validators/chat/isValidConversationHistory.ts b/packages/node/express/src/express/validators/chat/isValidConversationHistory.ts
index 24c1d79..0246f63 100644
--- a/packages/node/express/src/express/validators/chat/isValidConversationHistory.ts
+++ b/packages/node/express/src/express/validators/chat/isValidConversationHistory.ts
@@ -11,10 +11,7 @@ export const isValidConversationHistory = (history: any) => {
             return true;
         }
 
-        if (
-            (item.role !== 'user' && item.role !== 'ai' && item.role !== 'system') ||
-            typeof item.message !== 'string'
-        ) {
+        if (!['user', 'ai', 'system', 'assistant'].includes(item.role) || typeof item.message !== 'string') {
             return true;
         }
     })) {
diff --git a/packages/node/server/src/serve/displayHelp.ts b/packages/node/server/src/serve/displayHelp.ts
index a329ad7..b2a484b 100644
--- a/packages/node/server/src/serve/displayHelp.ts
+++ b/packages/node/server/src/serve/displayHelp.ts
@@ -8,11 +8,11 @@ export const displayHelp = () => {
     log('  @nlbridge/server [params]');
     log('');
     log('Required:');
-    log('  --api <openapi>     The AI backend to use\n' +
-        '                      Only OpenAPI is supported at the moment');
+    log('  --api <openai>     The AI backend to use\n' +
+        '                      Only OpenAI is supported at the moment');
     log('');
     log('Optional:');
-    log('  --api-key <key>      The API key to use for the AI backend\n' +
+    log('  --apiKey <key>      The API key to use for the AI backend\n' +
         '                       Default: Read from environment variable (e.g. OPENAI_API_KEY)\n');
     log('  --port [port]        Port to use for HTTP server - Default: Random value between 8000 and 8999');
     log('  --cors <origin>      Enable CORS for the specified origin - Default: "*"');
diff --git a/pipeline/npm/server/README.md b/pipeline/npm/server/README.md
index 509c2a4..052c22b 100644
--- a/pipeline/npm/server/README.md
+++ b/pipeline/npm/server/README.md
@@ -36,11 +36,11 @@ Usage:
   @nlbridge/server [params]
 
 Required:
-  --api <openapi>     The AI backend to use
-                      Only OpenAPI is supported at the moment
+  --api <openai>     The AI backend to use
+                      Only OpenAI is supported at the moment
 
 Optional:
-  --api-key <key>      The API key to use for the AI backend
+  --apiKey <key>      The API key to use for the AI backend
                        Default: Read from environment variable (e.g. OPENAI_API_KEY)
 
   --port [port]        Port to use for HTTP server - Default: Random value between 8000 and 8999