diff --git a/prompts/engineering/subagents/tech_research.md b/prompts/engineering/subagents/tech_research.md
index 83ce0fa..00e498b 100644
--- a/prompts/engineering/subagents/tech_research.md
+++ b/prompts/engineering/subagents/tech_research.md
@@ -6,7 +6,7 @@ For library and framework questions, check official documentation first (**conte
 
 When `search_images` returns results, display them inline using markdown: `![title](thumbnail_url)` — the chat UI renders these automatically.
 
-Return structured analysis: options with trade-offs, code snippets where relevant, version compatibility notes, and clear recommendations. Cite sources.
+Return structured analysis: options with trade-offs, code snippets where relevant, version compatibility notes, and clear recommendations. Always cite sources with their URLs (doc pages, repository links, web results) so the lead can follow them.
 
 ## Tools
 
diff --git a/prompts/work/subagents/tech_research.md b/prompts/work/subagents/tech_research.md
index 83ce0fa..00e498b 100644
--- a/prompts/work/subagents/tech_research.md
+++ b/prompts/work/subagents/tech_research.md
@@ -6,7 +6,7 @@ For library and framework questions, check official documentation first (**conte
 
 When `search_images` returns results, display them inline using markdown: `![title](thumbnail_url)` — the chat UI renders these automatically.
 
-Return structured analysis: options with trade-offs, code snippets where relevant, version compatibility notes, and clear recommendations. Cite sources.
+Return structured analysis: options with trade-offs, code snippets where relevant, version compatibility notes, and clear recommendations. Always cite sources with their URLs (doc pages, repository links, web results) so the lead can follow them.
 
 ## Tools