diff --git a/src/lib/arch/IArchString.h b/src/lib/arch/IArchString.h
index 83017128..9d04f4a8 100644
--- a/src/lib/arch/IArchString.h
+++ b/src/lib/arch/IArchString.h
@@ -50,8 +50,8 @@ public:
 	/*!
 	This method is equivalent to vsprintf() except it will not write
 	more than \c n bytes to the buffer, returning -1 if the output
-    was truncated and the number of bytes written not including the
-    trailing NUL otherwise.
+	was truncated and the number of bytes written not including the
+	trailing NUL otherwise.
 	*/
 	virtual int			vsnprintf(char* str,
 							int size, const char* fmt, va_list ap);