[kernel]update format

1 files changed, 2 insertions, 2 deletions

diff --git a/src/mem.c b/src/mem.c
index 0fefb86f89..f661d49118 100644
--- a/src/mem.c
+++ b/src/mem.c
@@ -618,11 +618,11 @@ RTM_EXPORT(rt_free);
 
 #ifdef RT_MEM_STATS
 /**
-* @brief This function will caculate the total memory, the used memory, and 
+* @brief This function will caculate the total memory, the used memory, and
 *        the max used memory.
 *
 * @param total is a pointer to get the total size of the memory.
-* 
+*
 * @param used is a pointer to get the size of memory used.
 *
 * @param max_used is a pointer to get the maximum memory used.