message: Readme: Fix Upgrade feature
diff: @@ -23,7 +23,7 @@ Symbols:
  | Ledger | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
  | Send \* | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :white_check_mark: |
  | Receive | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :white_check_mark: |
  -| Upgrade \*\* | :heavy_check_mark: | :heavy_check_mark: | - | - | - | - | - | - |
  +| Upgrade \*\* | :heavy_check_mark: | :heavy_check_mark: | - | - | - | :heavy_check_mark: | - | - |
  | Deposit | :heavy_check_mark: | - | - | - | - | - | - | - |
  | Shares | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :white_check_mark: |
  | History | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :white_check_mark: |
  @@ -31,7 +31,7 @@ Symbols:
  (\*) With or without memo
  -(\*\*) Upgrade RUNE (BEP2) to RUNE (Native)
  +(\*\*) Upgrade RUNE (BEP2) or RUNE (ERC20) to RUNE (Native)
  ### Exchange
  