added `tib` to description of `memory_unit`.
@@ -172,7 +172,7 @@ memory_percent="off"
# Change memory output unit.
#
# Default: 'mib'
-# Values: 'kib', 'mib', 'gib'
+# Values: 'kib', 'mib', 'gib', 'tib'
# Flag: --memory_unit
# Example: