Update UnitSystem.md

wiki/doc/UnitSystem.md

@@ -105,7 +105,7 @@ Description how to build units witht the D-SI format is [here](StructureSIUnits.
 |\yotta|gold|yotta|Y|1000000000000000000000000|[1, Table 7]|
 |\ronna|gold|ronna|R|1000000000000000000000000000|[2, Resolution 3]|
 |\quetta|gold|quetta|Q|1000000000000000000000000000000|[2, Resolution 3]|
-|\deci<sup>(l</sup>|gold|deci(a ,b|d|0.1|[1, Table 7]|
+|\deci<sup>(l</sup>|gold|deci|d|0.1|[1, Table 7]|
 |\centi|gold|centi|c|0.01|[1, Table 7]|
 |\milli|gold|milli|m|0.001|[1, Table 7]|
 |\micro|gold|micro|μ|0.000001|[1, Table 7]|