diff --git a/app/pipeline/prompts/citation_prompt.txt b/app/pipeline/prompts/citation_prompt.txt
index f69e885..1d785b0 100644
--- a/app/pipeline/prompts/citation_prompt.txt
+++ b/app/pipeline/prompts/citation_prompt.txt
@@ -15,6 +15,11 @@ Lorem ipsum dolor sit amet, consectetur adipiscing elit [1]. Ded do eiusmod temp
 [2] <a href="https://example.com/lecture2">Lecture 2, Unit B, page 5,25</a>.
 "
 
+Note: If there is no link available, please do not include the link in the citation. For example, if citation 1 does not have a link, it should look like this:
+[1] "Lecture title", "Lecture unit title", "page number"
+but if citation 2 has a link, it should look like this:
+[2] <a href="URL">"Lecture title", "Lecture unit title", "page number"</a>
+
 Here are the answer and the paragraphs:
 
 Answer without citations:
diff --git a/app/pipeline/shared/citation_pipeline.py b/app/pipeline/shared/citation_pipeline.py
index 01e96e2..22e1336 100644
--- a/app/pipeline/shared/citation_pipeline.py
+++ b/app/pipeline/shared/citation_pipeline.py
@@ -57,7 +57,7 @@ def create_formatted_string(self, paragraphs):
                 paragraph.get(LectureSchema.LECTURE_NAME.value),
                 paragraph.get(LectureSchema.LECTURE_UNIT_NAME.value),
                 paragraph.get(LectureSchema.PAGE_NUMBER.value),
-                paragraph.get(LectureSchema.LECTURE_UNIT_LINK.value),
+                paragraph.get(LectureSchema.LECTURE_UNIT_LINK.value) or "No link available",
                 paragraph.get(LectureSchema.PAGE_TEXT_CONTENT.value),
             )
             formatted_string += lct