src/share/vm/runtime/globals.hpp

@@ -1499,11 +1499,11 @@
   product(bool, UseConcMarkSweepGC, false,                                  \
           "Use Concurrent Mark-Sweep GC in the old generation")             \
                                                                             \
   product(bool, ExplicitGCInvokesConcurrent, false,                         \
           "A System.gc() request invokes a concurrent collection; "         \
-          "(effective only when UseConcMarkSweepGC)")                       \
+          "(effective only when UseConcMarkSweepGC or UseG1GC)")            \
                                                                             \
   product(bool, ExplicitGCInvokesConcurrentAndUnloadsClasses, false,        \
           "A System.gc() request invokes a concurrent collection and "      \
           "also unloads classes during such a concurrent gc cycle "         \
           "(effective only when UseConcMarkSweepGC)")                       \