diff --git a/src/3_vector_spaces.md b/src/3_vector_spaces.md
index d489c24f762872902d216a76dccc3fdac59c67be..57c8d16d3b13b7aec0ca65283c53e1d47cc9f688 100644
--- a/src/3_vector_spaces.md
+++ b/src/3_vector_spaces.md
@@ -16,7 +16,7 @@ The lecture on vector spaces consists of two parts, each with their own video:
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-**You can access the first video of this lecture [here](https://www.dropbox.com/s/evytrbb55fgrcze/linear_algebra_01.mov?dl=0)
+**You can access the first video of this lecture [here](https://www.dropbox.com/s/evytrbb55fgrcze/linear_algebra_01.mov?dl=0)**
 
 <iframe width="100%" height=315 src="https://www.dropbox.com/s/evytrbb55fgrcze/linear_algebra_01.mov?dl=0" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>