fix typos in ref-startup.htm

eclipse.platform.common/bundles/org.eclipse.platform.doc.user/reference/ref-startup.htm

@@ -14,7 +14,7 @@ <h1 class="Head">Startup and Shutdown</h1>
   <p class="Para">The <a class="command-link" href=
   'javascript:executeCommand("org.eclipse.ui.window.preferences(preferencePageId=org.eclipse.ui.preferencePages.Startup)")'>
   <img src="PLUGINS_ROOT/org.eclipse.help/command_link.svg" alt="command link"> <strong>General &gt; Startup and
-  Shutdown</strong></a> preference page allows you to configure the start up behaviour.</p>
+  Shutdown</strong></a> preference page allows you to configure the startup behaviour.</p>
   <h2>General</h2>
   <table border="1" cellspacing="0">
     <tr>
@@ -77,7 +77,7 @@ <h2>General</h2>
       </td>
       <td>
         <div class="Para">
-          If this option is turned on then the workbench will ask if you wish to exit when closing the last window if.
+          If this option is turned on then the workbench will ask if you wish to exit when closing the last window.
         </div>
       </td>
       <td>
@@ -88,9 +88,9 @@ <h2>General</h2>
     </tr>
   </table>
   <h2>Windows Defender Exclusion Check</h2>
-  <p>On Mirosoft Windows 10 or later the <i>Microsoft Defender</i> can significantly slow-down the startup and 
+  <p>On Microsoft Windows 10 or later the <i>Microsoft Defender</i> can significantly slow down the startup and 
      overall performance of Eclipse-based applications.
-     These application can now detect if <i>Microsoft Defender</i> is active, inform you about that and if wanted 
+     These applications can now detect if <i>Microsoft Defender</i> is active, inform you about that and, if wanted, 
      can exclude itself from future <i>Microsoft Defender</i> scans.
   </p>
   <p>If <i>Microsoft Defender</i> is active, on first startup of a new installation, a dialog is shown.
@@ -101,19 +101,19 @@ <h2>Windows Defender Exclusion Check</h2>
      again on the next startup.
   </p>
   <p>In the &quot;Windows Defender Exclusion Check&quot; section of this preference page you get more detailed 
-     information about the <i>Microsoft Defender</i> handling, you can choose to disable the startup-check for 
-     all installations, run the exclusion check or to see the powershell script used to exclude the current 
+     information about the <i>Microsoft Defender</i> handling, you can choose to disable the startup check for 
+     all installations, run the exclusion check or to see the Powershell script used to exclude the current 
      installation.
      Clicking &quot;Run exclusion check&quot; opens the startup dialog regardless of all persisted preferences. 
      Clicking the &quot;Show Powershell script&quot; button, unfolds the code of that script for review.
   </p>
   <h3>Note</h3>
-  <p>Be aware that in general adding excludion could affect your computer's security level and therefore needs 
+  <p>Be aware that in general adding exclusion could affect your computer's security level and therefore needs 
       administrator privileges. 
      The exclusion from <i>Microsoft Defender</i> scaning is done on process level. This means that 
   <i>Microsoft Defender</i> won't real-time scan any file opened by the excluded process. 
      This way the performance improvement applies to all files touched by the process and not only the jars 
-     forming the application. At the same time it allows scheduled or on demand scans to still check all files.
+     forming the application. At the same time it allows scheduled or on-demand scans to still check all files.
    </p>
    <p>
      In general if you do not trust the installed application, plug-ins or content in the workspace, it is not