--- old/src/share/vm/gc_implementation/parallelScavenge/psOldGen.hpp	2014-01-15 01:41:21.000000000 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/psOldGen.hpp	2014-01-15 01:41:21.000000000 +0100
@@ -187,7 +187,7 @@
 
   void space_invariants() PRODUCT_RETURN;
 
-  // Performace Counter support
+  // Performance Counter support
   void update_counters();
 
   // Printing support