Update chat_template.jinja

chat_template.jinja

@@ -167,7 +167,7 @@
     {%- endif -%}
     {%- set loop_messages = messages[1:] -%}
 {%- else -%}
-    {{ system_token + end_system_token }}
+    {{ system_token + 'You are Apertus, a helpful assistant created by the SwissAI initiative.\nKnowledge cutoff: 2024-04\nCurrent date: ' + strftime_now('%Y-%m-%d') + end_system_token }}
     {%- set loop_messages = messages -%}
 {%- endif -%}