doc: update quickstart

doc/quickstart.md

@@ -9,34 +9,33 @@ See [Setup](./setup.md) for other ways, supported platforms, and more details on
 
     ![installing the vscode-lean4 extension](images/code-ext.png)
 
-1. Create a new file using  "File > New File" and click the `Select a language` link and type in `lean4` and hit ENTER.  You should see the following popup:
+1. Create a new file using "File > New Text File" (`Ctrl+N`). Click the `Select a language` prompt, type in `lean4`, and hit ENTER.  You should see the following popup:
     ![elan](images/install_elan.png)
 
-    Click the "Install Lean using Elan" link and follow the progress
-    pressing ENTER in the terminal window to install lean.  You should see some progress output like this:
+    Click the "Install Lean using Elan" button. You should see some progress output like this:
 
     ```
     info: syncing channel updates for 'nightly'
     info: latest update on nightly, lean version nightly-2021-12-05
     info: downloading component 'lean'
     ```
 
-1. While it is installing you can paste the following Lean program into the new file:
+1. While it is installing, you can paste the following Lean program into the new file:
 
     ```lean
     #eval Lean.versionString
     ```
 
-    When the install finishes the Lean Language Server should start automatically and you should get a syntax-highlighting and a "Lean Infoview" popping up on the right.  You will see the output of the #eval statement when
-    you place your cursor at the end of the #eval statement.
+    When the installation has finished, the Lean Language Server should start automatically and you should get syntax-highlighting and a "Lean Infoview" popping up on the right.  You will see the output of the `#eval` statement when
+    you place your cursor at the end of the statement.
 
     ![successful setup](images/code-success.png)
 
 You are set up!
 
 ## Create a Lean Project
 
-You can now create a Lean project in a new folder. Run `lake init foo` from the "View > Terminal" to create a package, followed by `lake build` to get an executable version of your Lean program.
+You can now create a Lean project in a new folder. Run `lake init foo` from "View > Terminal" to create a package, followed by `lake build` to get an executable version of your Lean program.
 On Linux/macOS, you first have to follow the instructions printed by the Lean installation or log out and in again for the Lean executables to be available in you terminal.
 
 Note: Packages **have** to be opened using "File > Open Folder..." for imports to work.
@@ -46,5 +45,5 @@ Saved changes are visible in other files after running "Lean 4: Refresh File Dep
 
 **The InfoView says "Waiting for Lean server to start..." forever.**
 
-Check that the VS Code Terminal is not prompting you with `Press ENTER key to start Lean:`.  If so click in the terminal window and pressthe  ENTER key.
-If that doesn't work try also running the VS Code command `Developer: Reload Window`.
+Check that the VS Code Terminal is not showing some installation errors from `elan`.
+If that doesn't work, try also running the VS Code command `Developer: Reload Window`.