Updated docs

Author: cmaglie

Diff for: docs/package_index_json-specification.md

@@ -170,20 +170,21 @@ Each tool version may come in different build flavours for different OS. Each fl
 array. The IDE will take care to install the right flavour for the user's OS by matching the `host` value with the
 following table or fail if a needed flavour is missing.
 
-| OS flavour   | `host` regexp value                   | `host` suggested value             |
-| ------------ | ------------------------------------- | ---------------------------------- |
-| Linux 32     | `i[3456]86-.*linux-gnu`               | `i686-linux-gnu`                   |
-| Linux 64     | `x86_64-.*linux-gnu`                  | `x86_64-linux-gnu`                 |
-| Linux Arm    | `arm.*-linux-gnueabihf`               | `arm-linux-gnueabihf`              |
-| Linux Arm64  | `(aarch64\|arm64)-linux-gnu`          | `aarch64-linux-gnu`                |
-| Windows 32   | `i[3456]86-.*(mingw32\|cygwin)`       | `i686-mingw32` or `i686-cygwin`    |
-| Windows 64   | `(amd64\|x86_64)-.*(mingw32\|cygwin)` | `x86_64-migw32` or `x86_64-cygwin` |
-| MacOSX 32    | `i[3456]86-apple-darwin.*`            | `i686-apple-darwin`                |
-| MacOSX 64    | `x86_64-apple-darwin.*`               | `x86_64-apple-darwin`              |
-| MacOSX Arm64 | `arm64-apple-darwin.*`                | `arm64-apple-darwin`               |
-| FreeBSD 32   | `i?[3456]86-freebsd[0-9]*`            | `i686-freebsd`                     |
-| FreeBSD 64   | `amd64-freebsd[0-9]*`                 | `amd64-freebsd`                    |
-| FreeBSD Arm  | `arm.*-freebsd[0-9]*`                 | `arm-freebsd`                      |
+| OS flavour      | `host` regexp                         | suggested `host` value             |
+| --------------- | ------------------------------------- | ---------------------------------- |
+| Linux 32        | `i[3456]86-.*linux-gnu`               | `i686-linux-gnu`                   |
+| Linux 64        | `x86_64-.*linux-gnu`                  | `x86_64-linux-gnu`                 |
+| Linux Arm       | `arm.*-linux-gnueabihf`               | `arm-linux-gnueabihf`              |
+| Linux Arm64     | `(aarch64\|arm64)-linux-gnu`          | `aarch64-linux-gnu`                |
+| Linux RISC-V 64 | `riscv64-linux-gnu`                   | `riscv64-linux-gnu`                |
+| Windows 32      | `i[3456]86-.*(mingw32\|cygwin)`       | `i686-mingw32` or `i686-cygwin`    |
+| Windows 64      | `(amd64\|x86_64)-.*(mingw32\|cygwin)` | `x86_64-migw32` or `x86_64-cygwin` |
+| MacOSX 32       | `i[3456]86-apple-darwin.*`            | `i686-apple-darwin`                |
+| MacOSX 64       | `x86_64-apple-darwin.*`               | `x86_64-apple-darwin`              |
+| MacOSX Arm64    | `arm64-apple-darwin.*`                | `arm64-apple-darwin`               |
+| FreeBSD 32      | `i?[3456]86-freebsd[0-9]*`            | `i686-freebsd`                     |
+| FreeBSD 64      | `amd64-freebsd[0-9]*`                 | `amd64-freebsd`                    |
+| FreeBSD Arm     | `arm.*-freebsd[0-9]*`                 | `arm-freebsd`                      |
 
 The `host` value is matched with the regexp, this means that a more specific value for the `host` field is allowed (for
 example you may write `x86_64-apple-darwin14.1` for MacOSX instead of the suggested `x86_64-apple-darwin`), by the way,