fix typo

README.md

@@ -9,15 +9,15 @@ Firefox extension to grab Google Meet blue shield (host controls) before the mee
 ## Installation
 Official AMO (Addons Mozilla Org) url: signing in progress...
 
-Otherwise install extension from local settings. 
-First of all, disable signatures check: `about:config` -> turn xpinstall.signatures.required into `false`
-The, go to `about:addons` -> gear icon -> _Install Add-on From File..._ -> Pick the `.zip` package
+Otherwise install this extension from local settings. 
+First of all, disable signatures check: `about:config` -> turn _xpinstall.signatures.required_ into `false`.
+Then, go to `about:addons` -> gear icon -> _Install Add-on From File..._ -> Pick the `.zip` package
 
 ## Settings
-You can change default user id from `about:addons` page. Clink on the three dots, then _Preferences_. Change _Google user id_ value with the id corresponding to your preferred account, according to the one you want to use during auto-login process. Once the input box is updated, press _Save_ button.
+You can change default user id from `about:addons` page. Click on the three dots, then _Preferences_. Change _Google user id_ value with the id corresponding to your preferred account, according to the one you want to use during auto-login process. Once the input box is updated, press _Save_ button.
 
 # Usage
-In order to grab the blue shield before the others, you have to keep open Google Classroom's class homepage and wait until your teacher makes GMeet link visible. 
+In order to grab the blue shield before the others, you have to keep Google Classroom's class homepage open and wait until your teacher makes GMeet link visible. 
 
 # Disclaimer
 This Firefox addon is indended for academic and educational purposes only. We take no responsibility for any usage other than those specified.