diff --git a/Contrib/VPatch/Readme.html b/Contrib/VPatch/Readme.html
index f3b3c1f4..9b5de70c 100644
--- a/Contrib/VPatch/Readme.html
+++ b/Contrib/VPatch/Readme.html
@@ -70,7 +70,7 @@ h3
         }
 
 pre     {
-	font-size: 13px;
+        font-size: 13px;
         }
 
 div
@@ -152,8 +152,8 @@ vpatch::vpatchfile "patch.pat" "oldfile.txt" "temporary_newfile.txt"
           <div>
           <p>GenPat appends a patch to the file you specified. If there is already 
             a patch for the same original file, with the same CRC, in the patch file,
-			the patch will be replaced. For example, if you want to be able to upgrade
-			version 1 and 2 to version 3, you can put a 1 &gt; 3 and 2 &gt; 3 patch in 
+            the patch will be replaced. For example, if you want to be able to upgrade
+            version 1 and 2 to version 3, you can put a 1 &gt; 3 and 2 &gt; 3 patch in 
             one file.</p>
           <p>You can also put patches for different files in one patch file, for 
             example, a patch from file A version 1 to file A version 2 and a patch 
@@ -198,7 +198,7 @@ vpatch::vpatchfile "patch.pat" "oldfile.txt" "temporary_newfile.txt"
         <div>
           <h2>Source code</h2>
           <div>
-		  <p>Source code is available in the original package and in the CVS repository of NSIS.</p>
+          <p>Source code is available in the original package and in the CVS repository of NSIS.</p>
           <h3>NSIS plug-in (C++)</h3>
           <div>
           <p>The source of the NSIS plug-in that applies patches can be found