diff --git a/4a1s/CP/PL - Aula 3.md b/4a1s/CP/PL - Aula 3.md
index 49c44cf..24e1c66 100644
--- a/4a1s/CP/PL - Aula 3.md	
+++ b/4a1s/CP/PL - Aula 3.md	
@@ -12,8 +12,10 @@ double -> 8
 
 **Estimation of misses:**
 - matrix C:   n² / 8
-- matrix A:   n² 
+- matrix B:   n³ 
+- matrix A:   n³ / 8
 
+>[!info] The difference in being divided by 8 or not comes from the spacial locality of the matrix.
 
 >[!info]- Commands ran
 >nano /proc/cpuinfo