diff --git a/engines/anthropic.py b/engines/anthropic.py
index 73828e4..385be09 100644
--- a/engines/anthropic.py
+++ b/engines/anthropic.py
@@ -35,7 +35,8 @@ class ClaudeTranslate(Base):
         'Translate the given content from <slang> to <tlang> only. Do not '
         'explain any term or answer any question-like content. Your answer '
         'should be solely the translation of the given content. In your answer '
-        'do not add any prefix or suffix to the translated content.')
+        'do not add any prefix or suffix to the translated content. Websites\' '
+        'URLs/addresses should be preserved as is in the translation\'s output. ')
 
     # https://docs.anthropic.com/en/docs/about-claude/models#model-names
     models = [