enhance translation

site/src/site/sphinx/en/jvm.md

@@ -1,7 +1,7 @@
 jvm
 ===
 
-Check the JVM profile
+> Check the current JVM's info
 
 ### Usage
 
@@ -95,16 +95,16 @@ $ jvm
 Affect cost in 2 ms.
 ```
 
-### thread-related
+### Thread related
 
 * COUNT: the count of active threads 
 * DAEMON-COUNT: the count of active daemon threads
 * PEAK-COUNT: the maximum count of the live threads since JVM starts
 * STARTED-COUNT: the total count of the created threads since JVM starts
-* DEADLOCK-COUNT: the count of deadlock threads 
+* DEADLOCK-COUNT: the count of deadlocked threads 
 
 
-### fileDescriptor-related
+### File descriptor related
 
 * MAX-FILE-DESCRIPTOR-COUNT：the count of max file descriptor JVM process can open
-* OPEN-FILE-DESCRIPTOR-COUNT：the current count of file descriptor JVM process open
+* OPEN-FILE-DESCRIPTOR-COUNT：the current count of file descriptor JVM process open