Fix ChangeLog formate
diff --git a/ChangeLog b/ChangeLog
index 3fd6667..f31137c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,11 +1,11 @@
 mbed TLS ChangeLog (Sorted per branch, date)
 
 = mbed TLS x.xx.x branch released xxxx-xx-xx
-	
+
 Bugfix
    * Fix for file not found, which was reporting in header files.
-     In header files at mbedlts/include folder, The include path has prefix 
-     "mbedtls/" may cause the header file not be found in the case of 
+     In header files at mbedlts/include folder, The include path has prefix
+     "mbedtls/" may cause the header file not be found in the case of
      mbedtls as a dynamic/static library.
 
 = mbed TLS 2.16.0 branch released 2018-12-21