Fix comment describing THREAD_EXCEPTION_OFFSET

Change-Id: Ib3098197b356e7291dbe9627279ac22a4b1e3dd8
diff --git a/src/asm_support.h b/src/asm_support.h
index 8d29a35..b4de5b0 100644
--- a/src/asm_support.h
+++ b/src/asm_support.h
@@ -11,7 +11,7 @@
 #define rLR r14
 // Offset of field Thread::suspend_count_ verified in InitCpu
 #define THREAD_SUSPEND_COUNT_OFFSET 392
-// Offset of field Thread::suspend_count_ verified in InitCpu
+// Offset of field Thread::exception_ verified in InitCpu
 #define THREAD_EXCEPTION_OFFSET 388
 
 #elif defined(__i386__)