From 81e1d154d158d936385cc403e0219bed5ca4089b Mon Sep 17 00:00:00 2001
From: Daniel Hutzschenreuter <daniel.hutzschenreuter@ptb.de>
Date: Mon, 17 Jun 2024 07:55:33 +0000
Subject: [PATCH] Update UnitSystem.md

---
 wiki/doc/UnitSystem.md | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/wiki/doc/UnitSystem.md b/wiki/doc/UnitSystem.md
index 8d31cb9..f4866e0 100644
--- a/wiki/doc/UnitSystem.md
+++ b/wiki/doc/UnitSystem.md
@@ -69,16 +69,18 @@ Description how to build units witht the D-SI format is [here](StructureSIUnits.
 |\dalton|silver|dalton|Da|kg|\kilogram|[1, Table 8]| 
 |\astronomicalunit|silver|astronomical Unit|au|m|\metre|[1, Table 8]| 
 |\neper|silver|neper|Np|1|\one|[1, Table 8]| 
-|\bel|silver|bel|B|1|\one|[1, Table 8]| 
-|\decibel|silver|decibel(b|dB|1|\one|[1, Table 8]|"
+|\bel<sup>(d</sup>|silver|bel|B|1|\one|[1, Table 8]| 
+|\decibel<sup>(e</sup>|silver|decibel(b|dB|1|\one|[1, Table 8]|"
 
+<sub>(d: The unit bel must not be combined with the prefix deci. </sub>
+<sub>(e: The unit decibel must not be combined with any prefix. </sub>
 
 ## SI prefixes decimal
-|D-SI Identifyer<sup>(d</sup>|D-SI Medal|SI name|SI symbol |Multiplyer|SI Reference|
+|D-SI Identifyer<sup>(f</sup>|D-SI Medal|SI name|SI symbol |Multiplyer|SI Reference|
 |-:|-:|-:|-:|-:|-:|
 |\deca|gold|deca(a|da|10|[1, Table 7]|
 |\hecto|gold|hecto(a|h|100|[1, Table 7]|
-|\kilo<sup>(e</sup>|gold|kilo(a,b|k|1000|[1, Table 7]|
+|\kilo<sup>(g</sup>|gold|kilo(a,b|k|1000|[1, Table 7]|
 |\mega|gold|mega(a|M|1000000|[1, Table 7]|
 |\giga|gold|giga(a|G|1000000000|[1, Table 7]|
 |\tera|gold|tera(a|T|1000000000000|[1, Table 7]|
@@ -88,7 +90,7 @@ Description how to build units witht the D-SI format is [here](StructureSIUnits.
 |\yotta|gold|yotta(a|Y|1000000000000000000000000|[1, Table 7]|
 |\ronna|gold|ronna|R|1000000000000000000000000000|[2, Resolution 3]|
 |\quetta|gold|quetta|Q|1000000000000000000000000000000|[2, Resolution 3]|
-|\deci<sup>(f</sup>|gold|deci(a ,b|d|0.1|[1, Table 7]|
+|\deci<sup>(h</sup>|gold|deci(a ,b|d|0.1|[1, Table 7]|
 |\centi|gold|centi(a|c|0.01|[1, Table 7]|
 |\milli|gold|milli(a|m|0.001|[1, Table 7]|
 |\micro|gold|micro(a|μ|0.000001|[1, Table 7]|
@@ -101,9 +103,9 @@ Description how to build units witht the D-SI format is [here](StructureSIUnits.
 |\ronto|gold|ronto|r|0.000000000000000000000000001|[2, Resolution 3]|
 |\quecto|gold|quecto|q|0.000000000000000000000000000001|[2, Resolution 3]|"
 
-<sub>(d: All prefixes must not be combined with the units kilogram, decibal, and one. </sub>
-<sub>(e: The prefix kilo must not be combined with the unit gram. </sub>
-<sub>(r: The prefix deci must not be combined with the unit bel. </sub>
+<sub>(f: All prefixes must not be combined with the units kilogram, decibal, and one. </sub>
+<sub>(g: The prefix kilo must not be combined with the unit gram. </sub>
+<sub>(h: The prefix deci must not be combined with the unit bel. </sub>
 
 ## SI prefixes binary
 |D-SI Identifyer|D-SI Medal|SI name|SI symbol |Multiplyer|SI Reference|
-- 
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