eliminated all references to 'bytecode' from .pod files

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@38452 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/CommandGuide/llvm-dis.pod b/docs/CommandGuide/llvm-dis.pod
index 3fafbf2..8df382d 100644
--- a/docs/CommandGuide/llvm-dis.pod
+++ b/docs/CommandGuide/llvm-dis.pod
@@ -11,7 +11,7 @@
 =head1 DESCRIPTION
 
 The B<llvm-dis> command is the LLVM disassembler.  It takes an LLVM
-bytecode file and converts it into human-readable LLVM assembly language.
+bitcode file and converts it into human-readable LLVM assembly language.
 
 If filename is omitted or specified as C<->, B<llvm-dis> reads its
 input from standard input.