diff --git a/docs/concepts/systems/trading.mdx b/docs/concepts/systems/trading.mdx
index d13c207f..9a4c3664 100644
--- a/docs/concepts/systems/trading.mdx
+++ b/docs/concepts/systems/trading.mdx
@@ -151,14 +151,14 @@ The fee on an exchange of ((GC)) is calculated as a percentage of the ((BGC)) ex
 
 The fee on an exchange of upgrades is based on the rarity of the upgrades, with the following values:
 
-|       Rarity       | 0 Reduction  | 1 Reduction  | 2 Reduction  | 3 Reduction  | 4 Reduction  |
-| :----------------: | :----------: | :----------: | :----------: | :----------: | :----------: |
-|    ((%0noob%))     |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |
-|   ((%1kiddie%))    |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |
-|    ((%2h4x0r%))    |  ((%F5 ⌽%))  |  ((%F4 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |
-|  ((%3h4rdc0r3%))   | ((%F25 ⌽%))  | ((%F20 ⌽%))  | ((%F15 ⌽%))  | ((%F10 ⌽%))  |  ((%F5 ⌽%))  |
-| ((%4\|\_\|b3\|2%)) | ((%F50 ⌽%))  | ((%F40 ⌽%))  | ((%F30 ⌽%))  | ((%F20 ⌽%))  | ((%F10 ⌽%))  |
-|    ((%531337%))    | ((%D[404]%)) | ((%D[404]%)) | ((%D[404]%)) | ((%D[404]%)) | ((%D[404]%)) |
+|       Rarity       | 0 Reduction  | 1 Reduction  | 2 Reduction  | 3 Reduction  | 4 Reduction |
+| :----------------: | :----------: | :----------: | :----------: | :----------: | :---------: |
+|    ((%0noob%))     |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  | ((%F3 ⌽%))  |
+|   ((%1kiddie%))    |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  | ((%F3 ⌽%))  |
+|    ((%2h4x0r%))    |  ((%F5 ⌽%))  |  ((%F4 ⌽%))  |  ((%F3 ⌽%))  |  ((%F3 ⌽%))  | ((%F3 ⌽%))  |
+|  ((%3h4rdc0r3%))   | ((%F25 ⌽%))  | ((%F20 ⌽%))  | ((%F15 ⌽%))  | ((%F10 ⌽%))  | ((%F5 ⌽%))  |
+| ((%4\|\_\|b3\|2%)) | ((%F50 ⌽%))  | ((%F40 ⌽%))  | ((%F30 ⌽%))  | ((%F20 ⌽%))  | ((%F10 ⌽%)) |
+|    ((%531337%))    | ((%F250 ⌽%)) | ((%F200 ⌽%)) | ((%F150 ⌽%)) | ((%F100 ⌽%)) | ((%F50 ⌽%)) |
 
 ## Notes
 
@@ -167,6 +167,6 @@ The fee on an exchange of upgrades is based on the rarity of the upgrades, with
   - With the exclusion of corp \<-> user and corp \<-> corp trades.
 - The trade system can exceed the ((32BGC)) xfer limit.
 - Each party appears to only be able to offer 1 upgrade.
-- Fees of rarity 5 upgrades are currently undocumented due to lack of publicly available data.
+- How fees from multiple sources interact is currently undocumented/unexplored.
 - Fee reduction stacks are counted based on the users.
   - A supporter doing a trade between their own users (no corp parties) would have 2 stacks of fee reduction, not 1.