Surrounded variable in <tt> tags for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79357 91177308-0d34-0410-b5e6-96231b3b80d8

docs/GetElementPtr.html

@@ -303,13 +303,14 @@
 </div>
 
   <p>In this example, <tt>idx1</tt> computes the address of the second integer
-  in the array that is in the structure in %MyVar, that is <tt>MyVar+4</tt>. The 
-  type of <tt>idx1</tt> is <tt>i32*</tt>. However, <tt>idx2</tt> computes the 
-  address of <i>the next</i> structure after <tt>%MyVar</tt>. The type of 
-  <tt>idx2</tt> is <tt>{ [10 x i32] }*</tt> and its value is equivalent 
-  to <tt>MyVar + 40</tt> because it indexes past the ten 4-byte integers 
-  in <tt>MyVar</tt>. Obviously, in such a situation, the pointers don't 
-  alias.</p>
+  in the array that is in the structure in <tt>%MyVar</tt>, that is
+  <tt>MyVar+4</tt>. The type of <tt>idx1</tt> is <tt>i32*</tt>. However,
+  <tt>idx2</tt> computes the address of <i>the next</i> structure after
+  <tt>%MyVar</tt>. The type of <tt>idx2</tt> is <tt>{ [10 x i32] }*</tt> and its
+  value is equivalent to <tt>MyVar + 40</tt> because it indexes past the ten
+  4-byte integers in <tt>MyVar</tt>. Obviously, in such a situation, the
+  pointers don't alias.</p>
+
 </div>
 
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