diff --git a/units/en/unit1/deep-rl.mdx b/units/en/unit1/deep-rl.mdx
index c0c2247..b448d6f 100644
--- a/units/en/unit1/deep-rl.mdx
+++ b/units/en/unit1/deep-rl.mdx
@@ -18,4 +18,4 @@ In the second approach, **we will use a Neural Network** (to approximate the Q
 </figcaption>
 </figure>
 
-If you are not familiar with Deep Learning you definitely should watch [the FastAI Practical Deep Learning for Coders](https://course.fast.a) (Free).
+If you are not familiar with Deep Learning you definitely should watch [the FastAI Practical Deep Learning for Coders](https://course.fast.ai) (Free).