Update install GAM reference

Author: taers232c

wiki/GAM7-on-Android-Devices.md

@@ -13,4 +13,4 @@ _Note: Chromebooks / Chrome OS devices should install GAM7 using [these instruct
     sudo apt update
     sudo apt install curl python3
 ```
-7. [How to Install Advanced GAM](How-to-Install-Advanced-GAM)
+7. [How to Install GAM7](How-to-Install-GAM7)

wiki/GAM7-on-Chrome-OS-Devices.md

@@ -7,7 +7,7 @@ Chrome OS devices that [support Linux apps](https://support.google.com/chromeboo
     sudo apt update
     sudo apt install xz-utils
 ```
-3. [How to Install Advanced GAM](How-to-Install-Advanced-GAM)
+3. [How to Install GAM7](How-to-Install-GAM7)
 
 # Google cloud shell