Fix a couple of typos reported as V8 issue 226.

src/disasm-ia32.cc

Index: src/disasm-ia32.cc
===================================================================
--- src/disasm-ia32.cc	(revision 1252)
+++ src/disasm-ia32.cc	(working copy)
@@ -700,14 +700,14 @@
 }
 
 
-// Disassembled instruction '*instr' and writes it intro 'out_buffer'.
+// Disassembled instruction '*instr' and writes it into 'out_buffer'.
 int DisassemblerIA32::InstructionDecode(v8::internal::Vector<char> out_buffer,
                                         byte* instr) {
   tmp_buffer_pos_ = 0;  // starting to write as position 0
   byte* data = instr;
   // Check for hints.
   const char* branch_hint = NULL;
-  // We use this two prefixes only with branch prediction
+  // We use these two prefixes only with branch prediction
   if (*data == 0x3E /*ds*/) {
     branch_hint = "predicted taken";
     data++;