diff --git a/xCAT-IBMhpc/share/xcat/IBMhpc/ping-all/README.AIX b/xCAT-IBMhpc/share/xcat/IBMhpc/ping-all/README.AIX
index 37618d66c..5aaf5abc1 100644
--- a/xCAT-IBMhpc/share/xcat/IBMhpc/ping-all/README.AIX
+++ b/xCAT-IBMhpc/share/xcat/IBMhpc/ping-all/README.AIX
@@ -2,7 +2,7 @@ Run as root on the EMS.
 
 This test uses xdsh and uses "lpar" for the node group. Use a different node group if desired.
 
-Note xdsh can leave behind processes if you do a <CNTRL-C> in the middle of a command.  
+Note xdsh can leave behind processes if you do a <CNTRL-C> in the middle of a command.
 To gaurd against results which are messed up by old copies of the ping test, kill
 any leftover ping processes.
 
@@ -10,7 +10,7 @@ any leftover ping processes.
 1)  Create the ping_address_file. This is only required if changes have been made since the last
     run; e.g., octants deconfigured, ARP entries changed, etc.
 
-    "./create_ping_address_file [interface]"    
+    "./create_ping_address_file [interface]"
 
     If the "interface" argument is not provided, it defaults to "ml0" as the interface to test.
 
@@ -23,7 +23,7 @@ any leftover ping processes.
 3)  Copy "ping_all" to /tmp on each node:
 
     xdcp lpar -v ping_all /tmp
-     
+
 4)  Remove any output files from previous runs:
 
     xdsh lpar -v "rm /tmp/ping.all.out 2>/dev/null"
@@ -39,6 +39,6 @@ any leftover ping processes.
 
     xdsh lpar -v "ls -l /tmp/ping.all.out 2>/dev/null" | sort -n +5
 
-    If a given set of "ping.all.out" files are the same length, it's likely they will have 
+    If a given set of "ping.all.out" files are the same length, it's likely they will have
     duplicate ping failures.