updated acceptence criteria for tools

Author: manczak-ifx

arewesafetycriticalyet.org/docs/tooling/2_tools-list.mdx

@@ -9,8 +9,24 @@ import ToolsList from '@site/src/components/ToolsList';
 This page lists known tools that may be used to develop safety critical Rust code.
 The list is maintained by the subcommittee, and while we try to keep information up to date,
 this list is provided as is without any legal guarantees.
-Please get in touch with the tool authors and vendors **before** starting your project..
+Please get in touch with the tool authors and vendors **before** starting your project.
 
 If you want to add or update the list, please open an issue on the [safety-critical-rust-consortium](https://github.com/rustfoundation/safety-critical-rust-consortium/issues) repository, or on the Rust Zulip [safety-critical-consortium](https://rust-lang.zulipchat.com/#narrow/channel/445688-safety-critical-consortium) channel.
 
+## Acceptance Criteria
+
+Tools will be included in the list only if they meet the following criteria.
+
+Note: even if the tool fulfill all the listed criteria the SCRC may ask the maintainer/owner of the tool for a presentation/demonstration for better evaluation.
+
+### Close Source
+- Tool still supported by vendor.
+- First productive release: > 1 year old
+
+### Open Source
+- First project publishing date : > 1 year old
+- Last update: < 1 year old
+
+
+
 <ToolsList />