diff --git a/trunk/bootrom/build/bootrom/thread/ARM11/main.c b/trunk/bootrom/build/bootrom/thread/ARM11/main.c
index 22c97b0..eedb896 100644
--- a/trunk/bootrom/build/bootrom/thread/ARM11/main.c
+++ b/trunk/bootrom/build/bootrom/thread/ARM11/main.c
@@ -31,8 +31,8 @@ void BromMain( void )
         osSleep(1000);
         mon = osGetPerfMonitor(OS_MONITOR_1) - mon;
         tick = osGetTick() - tick;
-        osTPrintf( "sleep mon  = %llu msec\n", OS_TICK_TO_MSEC(mon)); // MG20ではパフォーマンスモニタのクロックが違う
-        osTPrintf( "sleep tick = %llu msec\n", OS_TICK_TO_MSEC(tick));
+        osTPrintf( "sleep mon  = %llu msec\n", OS_TICK_TO_MSEC(mon) ); // MG20ではパフォーマンスモニタのクロックが違う
+        osTPrintf( "sleep tick = %llu msec\n", OS_TICK_TO_MSEC(tick) );
     }
 }
 
diff --git a/trunk/bootrom/build/libraries/os/common/os_irqHandler.c b/trunk/bootrom/build/libraries/os/common/os_irqHandler.c
index 012964e..017fd4b 100644
--- a/trunk/bootrom/build/libraries/os/common/os_irqHandler.c
+++ b/trunk/bootrom/build/libraries/os/common/os_irqHandler.c
@@ -17,7 +17,6 @@
 #include <brom/code32.h>
 #include <brom/os.h>
 
-//#define BROM_ENABLE_THREAD
 
 #ifdef      SDK_ARM9
 #include    <brom/dtcm_begin.h>
diff --git a/trunk/bootrom/build/libraries/os/common/os_irqThreadSwitch.c b/trunk/bootrom/build/libraries/os/common/os_irqThreadSwitch.c
index 46fbaa9..0216df6 100644
--- a/trunk/bootrom/build/libraries/os/common/os_irqThreadSwitch.c
+++ b/trunk/bootrom/build/libraries/os/common/os_irqThreadSwitch.c
@@ -17,7 +17,6 @@
 #include <brom/code32.h>
 #include <brom/os.h>
 
-//#define BROM_ENABLE_THREAD
 
 #ifdef      SDK_ARM9
 #include    <brom/dtcm_begin.h>
@@ -178,7 +177,7 @@ LSYM(13)
         str     r2, [ r0, #OS_THREAD_OFFSET_CONTEXT ]!  // *r0=context:CPSR
 
 #ifdef SDK_CONTEXT_HAS_VFP
-        // first, save CP context
+        // first, save VFP context
         stmfd   sp!, { r0, r1 }
         add     r0, r0, #OS_THREAD_OFFSET_CONTEXT
         bl      i_osSaveContextVFP
@@ -199,7 +198,7 @@ LSYM(13)
 
         // ---- OS_LoadContext
 #ifdef SDK_CONTEXT_HAS_VFP
-        // first, load CP context
+        // first, load VFP context
         stmfd   sp!, { r1 }
         add     r0, r1, #OS_THREAD_OFFSET_CONTEXT
         bl      i_osLoadContextVFP