diff --git a/pages/CSE559A/CSE559A_L13.md b/pages/CSE559A/CSE559A_L13.md
index cb0bccd..1d2add2 100644
--- a/pages/CSE559A/CSE559A_L13.md
+++ b/pages/CSE559A/CSE559A_L13.md
@@ -7,7 +7,7 @@
 Set of sinusoids of different frequencies.
 
 $$
-f(p,2i)=\sin(\frac{p}{10000^{2i/d}})\quad f(p,2i+1)=\cos(\frac{p}{10000^{2i/d}})\
+f(p,2i)=\sin(\frac{p}{10000^{2i/d}})\quad f(p,2i+1)=\cos(\frac{p}{10000^{2i/d}})
 $$
 
 [source](https://kazemnejad.com/blog/transformer_architecture_positional_encoding/)
diff --git a/pages/CSE559A/_meta.js b/pages/CSE559A/_meta.js
index 89bb40e..3c48972 100644
--- a/pages/CSE559A/_meta.js
+++ b/pages/CSE559A/_meta.js
@@ -15,4 +15,5 @@ export default {
     CSE559A_L10: "Computer Vision (Lecture 10)",
     CSE559A_L11: "Computer Vision (Lecture 11)",
     CSE559A_L12: "Computer Vision (Lecture 12)",
+    CSE559A_L13: "Computer Vision (Lecture 13)",
 }
diff --git a/public/CSE559A/1D_Conv.png b/public/CSE559A/1D_Conv.png
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diff --git a/public/CSE559A/RNN.png b/public/CSE559A/RNN.png
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diff --git a/public/CSE559A/Self_Attention.png b/public/CSE559A/Self_Attention.png
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index 0000000..c98ce61
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