diff --git a/crash_course_socialism.md b/crash_course_socialism.md
index 5427cef..11504c4 100644
--- a/crash_course_socialism.md
+++ b/crash_course_socialism.md
@@ -69,7 +69,7 @@ Past and present socialist/anarchist societies include - [Revolutionary Cataloni
 
 [What's the difference between anarchism and communism?](https://www.reddit.com/r/DebateCommunism/comments/576t0d/im_an_anarchocommunist_leninise_me/)
 
-[Why do Marxists oppose individual terrorism?](https://www.marxists.org/archive/trotsky/1911/11/tia09.htm)
+[Why do Marxists oppose individual terrorism? (Trotsky)](https://www.marxists.org/archive/trotsky/1911/11/tia09.htm)
 
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