diff --git a/pages/common/jmap.md b/pages/common/jmap.md
index 02e32aa3f7..b6d819cc03 100644
--- a/pages/common/jmap.md
+++ b/pages/common/jmap.md
@@ -8,7 +8,7 @@
 
 - Print heap summary information:
 
-`java -heap {{filename.jar}} {{java_pid}}`
+`jmap -heap {{filename.jar}} {{java_pid}}`
 
 - Print histogram of heap usage by type:
 
diff --git a/pages/common/jstack.md b/pages/common/jstack.md
index 80439ee08b..93687df2ff 100644
--- a/pages/common/jstack.md
+++ b/pages/common/jstack.md
@@ -8,7 +8,7 @@
 
 - Print mixed mode (java/c++) stack traces for all threads in a java process:
 
-`jstack {{java_pid}}`
+`jstack -m {{java_pid}}`
 
 - Print stack traces from java core dump: