--- old/src/share/vm/runtime/globals.hpp	2014-04-10 21:16:33.383682255 +0900
+++ new/src/share/vm/runtime/globals.hpp	2014-04-10 21:16:33.329682462 +0900
@@ -3160,7 +3160,8 @@
           "non-daemon thread (in bytes)")                                   \
                                                                             \
   product_pd(uintx, MetaspaceSize,                                          \
-          "Initial size of Metaspaces (in bytes)")                          \
+          "Initial high-water-mark of Metaspaces (in bytes)."               \
+          "This value is used for resizing Metaspace size.")                \
                                                                             \
   product(uintx, MaxMetaspaceSize, max_uintx,                               \
           "Maximum size of Metaspaces (in bytes)")                          \