Spell success correctly.

dbus/message.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DBUS_MESSAGE_H_
 #define DBUS_MESSAGE_H_
 
 #include <dbus/dbus.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 316 matching lines @@
 
   // Appends the array of object paths. Arrays of object paths are often
   // used when exchanging object paths, hence it's worth having a
   // specialized function.
   void AppendArrayOfObjectPaths(const std::vector<ObjectPath>& object_paths);
 
   // Appends the protocol buffer as an array of bytes. The buffer is serialized
   // into an array of bytes before communication, since protocol buffers are not
   // a native dbus type. On the receiving size the array of bytes needs to be
   // read and deserialized into a protocol buffer of the correct type. There are
-  // methods in MessageReader to assist in this.  Return true on succes and fail
-  // when serialization is not successful.
+  // methods in MessageReader to assist in this.  Return true on success and
+  // false when serialization fails.
   bool AppendProtoAsArrayOfBytes(const google::protobuf::MessageLite& protobuf);
 
   // Appends the byte wrapped in a variant data container. Variants are
   // widely used in D-Bus services so it's worth having a specialized
   // function. For instance, The third parameter of
   // "org.freedesktop.DBus.Properties.Set" is a variant.
   void AppendVariantOfByte(uint8_t value);
   void AppendVariantOfBool(bool value);
   void AppendVariantOfInt16(int16_t value);
   void AppendVariantOfUint16(uint16_t value);
@@ skipping 148 matching lines @@
 
   Message* message_;
   DBusMessageIter raw_message_iter_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageReader);
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_MESSAGE_H_