OPT_CALLBACK('M', "map-nr-entries", &bpf_map_entries, "num",
                     "Max number of BPF map entries", parse_map_entry),
        OPT_CALLBACK(0, "max-stack", &max_stack_depth, "num",
-                    "Set the maximum stack depth when collecting lopck contention, "
+                    "Set the maximum stack depth when collecting lock contention, "
                     "Default: " __stringify(CONTENTION_STACK_DEPTH), parse_max_stack),
        OPT_INTEGER(0, "stack-skip", &stack_skip,
                    "Set the number of stack depth to skip when finding a lock caller, "