Update out-of-date comments and error messages.

courgette/patcher_x86_32.h

Index: courgette/patcher_x86_32.h
diff --git a/courgette/patcher_x86_32.h b/courgette/patcher_x86_32.h
index 5625395280c01b6e2a33295cd3cff10f2b6d70b9..e984579f040e04ce556e8689a10de40cf866b52a 100644
--- a/courgette/patcher_x86_32.h
+++ b/courgette/patcher_x86_32.h
@@ -2,9 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// This is the transformation for Windows X86 executables.
-// The same patcher can be used for Windows X64 executables.
-
 #ifndef COURGETTE_WIN32_X86_PATCHER_H_
 #define COURGETTE_WIN32_X86_PATCHER_H_
 
@@ -12,8 +9,8 @@
 
 namespace courgette {
 
-// Courgette32X86Patcher is a TransformationPatcher for Windows 32-bit
-// and 64-bit executables.  We can use the same patcher for both.
+// PatcherX86_32 is the universal patcher for all executables.  The executable
+// type is determined by ParseDetectedExecutable function.
 //
 class PatcherX86_32 : public TransformationPatcher {
  public: