Format the examples correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33804 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/opt.pod b/docs/CommandGuide/opt.pod
index 16d594f..14dfa88 100644
--- a/docs/CommandGuide/opt.pod
+++ b/docs/CommandGuide/opt.pod
@@ -67,7 +67,7 @@
 
 =over
 
-B<llvm-as < /dev/null | opt -std-compile-opts -disable-output -debug-pass=Arguments>
+   llvm-as < /dev/null | opt -std-compile-opts -disable-output -debug-pass=Arguments
 
 =back
 
@@ -122,11 +122,7 @@
 enable various optimizations or analyses.  To see the new complete list of 
 optimizations, use the B<-help> and B<-load> options together. For example:
 
-=over
-
-B<opt -load>=I<plugin> B<-help>
-
-=back
+   opt -load=plugin.so -help
 
 =item B<-p>