Fix code typo in the repository

Changes:
    - Corrected spelling mistake in the repository

Tested:
    - NA

Change-Id: Ic721bbb2efc0f9f5a1895e3f5994fdb38fe310cd
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/openpower/ext_interfaces/test_lock_management.robot b/openpower/ext_interfaces/test_lock_management.robot
index 2de12ec..c96789a 100644
--- a/openpower/ext_interfaces/test_lock_management.robot
+++ b/openpower/ext_interfaces/test_lock_management.robot
@@ -940,7 +940,7 @@
 
 
 Acquire And Release Multiple Locks
-    [Documentation]  Acquire mutilple locks on resource.
+    [Documentation]  Acquire multiple locks on resource.
     [Arguments]  ${client_id}  ${lock_type}  ${release_lock_type}
 
     # Description of argument(s):