Fix some typos and improve some UI text (#16283)

* Fix typo: similiar → similar

Suggestion of unextro: https://crowdin.com/profile/unextro

* Fix typo: ChromeOS → Chrome OS

Suggestion of unextro: https://crowdin.com/profile/unextro

* Fix typo: Successfully remove → Successfully removed

Suggestion of GunChleoc: https://crowdin.com/profile/gunchleoc

* Fix typo: will now be processed in due time → will be processed

Suggestion of NCAA: https://crowdin.com/profile/ncaa

* Improve UI text: use “waiting period” instead of “cooldown period”

Suggestion of NCAA: https://crowdin.com/profile/ncaa

* Improve UI text: use “for today” instead of “for that day”

Suggestion of NCAA: https://crowdin.com/profile/ncaa

config/locales/en.yml

@@ -730,7 +730,7 @@ en:
   aliases:
     add_new: Create alias
     created_msg: Successfully created a new alias. You can now initiate the move from the old account.
-    deleted_msg: Successfully remove the alias. Moving from that account to this one will no longer be possible.
+    deleted_msg: Successfully removed the alias. Moving from that account to this one will no longer be possible.
     empty: You have no aliases.
     hint_html: If you want to move from another account to this one, here you can create an alias, which is required before you can proceed with moving followers from the old account to this one. This action by itself is <strong>harmless and reversible</strong>. <strong>The account migration is initiated from the old account</strong>.
     remove: Unlink alias
@@ -970,7 +970,7 @@ en:
       overwrite: Overwrite
       overwrite_long: Replace current records with the new ones
     preface: You can import data that you have exported from another server, such as a list of the people you are following or blocking.
-    success: Your data was successfully uploaded and will now be processed in due time
+    success: Your data was successfully uploaded and will be processed in due time
     types:
       blocking: Blocking list
       bookmarks: Bookmarks
@@ -1034,7 +1034,7 @@ en:
     warning:
       backreference_required: The new account must first be configured to back-reference this one
       before: 'Before proceeding, please read these notes carefully:'
-      cooldown: After moving there is a cooldown period during which you will not be able to move again
+      cooldown: After moving there is a waiting period during which you will not be able to move again
       disabled_account: Your current account will not be fully usable afterwards. However, you will have access to data export as well as re-activation.
       followers: This action will move all followers from the current account to the new account
       only_redirect_html: Alternatively, you can <a href="%{path}">only put up a redirect on your profile</a>.
@@ -1103,7 +1103,7 @@ en:
     code_hint: Enter the code generated by your authenticator app to confirm
     description_html: If you enable <strong>two-factor authentication</strong> using an authenticator app, logging in will require you to be in possession of your phone, which will generate tokens for you to enter.
     enable: Enable
-    instructions_html: "<strong>Scan this QR code into Google Authenticator or a similiar TOTP app on your phone</strong>. From now on, that app will generate tokens that you will have to enter when logging in."
+    instructions_html: "<strong>Scan this QR code into Google Authenticator or a similar TOTP app on your phone</strong>. From now on, that app will generate tokens that you will have to enter when logging in."
     manual_instructions: 'If you can''t scan the QR code and need to enter it manually, here is the plain-text secret:'
     setup: Set up
     wrong_code: The entered code was invalid! Are server time and device time correct?
@@ -1167,7 +1167,7 @@ en:
       proceed: Proceed to reply
       prompt: 'You want to reply to this post:'
   scheduled_statuses:
-    over_daily_limit: You have exceeded the limit of %{limit} scheduled posts for that day
+    over_daily_limit: You have exceeded the limit of %{limit} scheduled posts for today
     over_total_limit: You have exceeded the limit of %{limit} scheduled posts
     too_soon: The scheduled date must be in the future
   sessions:
@@ -1199,7 +1199,7 @@ en:
       adobe_air: Adobe Air
       android: Android
       blackberry: Blackberry
-      chrome_os: ChromeOS
+      chrome_os: Chrome OS
       firefox_os: Firefox OS
       ios: iOS
       linux: Linux