Correct typo.

llvm-svn: 35989

llvm/docs/ExceptionHandling.html

@@ -186,7 +186,7 @@ a C++ RTTI type info structure.</p>
 
 <div class="doc_text">
 
-<p>A call within the scope of a try statement can potential raise an exception.
+<p>A call within the scope of a try statement can potentially raise an exception.
 In those circumstances, the LLVM C++ front-end replaces the call with an
 <tt>invoke</tt> instruction.  Unlike a call, the invoke has two potential
 continuation points; where to continue when the call succeeds as per normal, and