diff --git a/guide/english/computer-hardware/index.md b/guide/english/computer-hardware/index.md
index 51c652ca01..9418ec85bc 100644
--- a/guide/english/computer-hardware/index.md
+++ b/guide/english/computer-hardware/index.md
@@ -8,7 +8,7 @@ In this section, we explore the various hardware components of modern computers.
 ## Parts of a Personal Computer
 
 ### Central Processing Unit (CPU)
-A Central Processing Unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions.
+A Central Processing Unit (CPU) is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations specified by the instructions. The two main companies that manufacture CPUs are Intel and AMD. 
 
 ![Intel Core i5 - Front](https://upload.wikimedia.org/wikipedia/commons/thumb/8/83/Intel_i5-2500.jpg/247px-Intel_i5-2500.jpg) ![Intel Core i5 - Back](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Intel_i5-3330%2C_bottom.jpg/240px-Intel_i5-3330%2C_bottom.jpg)