diff --git a/doc/guides/diagnostic-tooling-support-tiers.md b/doc/guides/diagnostic-tooling-support-tiers.md
index 62bca48e1b7af7..254f90ecadd5fd 100644
--- a/doc/guides/diagnostic-tooling-support-tiers.md
+++ b/doc/guides/diagnostic-tooling-support-tiers.md
@@ -95,7 +95,8 @@ The tools are currently assigned to Tiers as follows:
 
  | Tool Type | Tool/API Name             | Regular Testing in Node.js CI | Integrated with Node.js | Target Tier |
  |-----------|---------------------------|-------------------------------|-------------------------|-------------|
- |           |                           |                               |                         |             |
+ | FFDC | diagnostic report | Yes | Yes | 1 |
+ | | | | | |
 
 ## Tier 2