diff --git a/include/boost/detail/win/GetCurrentThread.hpp b/include/boost/detail/win/GetCurrentThread.hpp
index 4e12d60..cdc6d36 100644
--- a/include/boost/detail/win/GetCurrentThread.hpp
+++ b/include/boost/detail/win/GetCurrentThread.hpp
@@ -18,7 +18,7 @@ namespace win32 {
 // Windows CE define GetCurrentThread as an inline function in kfuncs.h
 inline HANDLE_ GetCurrentThread() 
 {
-	return ::GetCurrentThread();
+  return ::GetCurrentThread();
 }
 #else
 #if defined( BOOST_USE_WINDOWS_H )
diff --git a/include/boost/detail/win/GetProcessTimes.hpp b/include/boost/detail/win/GetProcessTimes.hpp
index d8ccb35..8d76995 100644
--- a/include/boost/detail/win/GetProcessTimes.hpp
+++ b/include/boost/detail/win/GetProcessTimes.hpp
@@ -14,7 +14,7 @@
 namespace boost {
 namespace detail {
 namespace win32 {
-#if !defined(UNDER_CE)	// Windows CE does not define GetProcessTimes
+#if !defined(UNDER_CE)  // Windows CE does not define GetProcessTimes
 #if defined( BOOST_USE_WINDOWS_H )
     using ::GetProcessTimes;
 #else
diff --git a/include/boost/detail/win/time.hpp b/include/boost/detail/win/time.hpp
index e1c912b..7f636ed 100644
--- a/include/boost/detail/win/time.hpp
+++ b/include/boost/detail/win/time.hpp
@@ -23,9 +23,9 @@ namespace win32 {
     typedef SYSTEMTIME SYSTEMTIME_;
     typedef SYSTEMTIME* PSYSTEMTIME_;
 
-	#ifndef UNDER_CE	// Windows CE does not define GetSystemTimeAsFileTime
+    #ifndef UNDER_CE  // Windows CE does not define GetSystemTimeAsFileTime
     using ::GetSystemTimeAsFileTime;
-	#endif
+    #endif
     using ::FileTimeToLocalFileTime;
     using ::GetSystemTime;
     using ::SystemTimeToFileTime;
@@ -49,10 +49,10 @@ extern "C" {
       WORD_ wMilliseconds;
     } SYSTEMTIME_, *PSYSTEMTIME_;
 
-	#ifndef UNDER_CE	// Windows CE does not define GetSystemTimeAsFileTime
+    #ifndef UNDER_CE  // Windows CE does not define GetSystemTimeAsFileTime
     __declspec(dllimport) void WINAPI
         GetSystemTimeAsFileTime(FILETIME_* lpFileTime);
-	#endif
+    #endif
     __declspec(dllimport) int WINAPI
         FileTimeToLocalFileTime(const FILETIME_* lpFileTime, 
                 FILETIME_* lpLocalFileTime);