diff --git a/radar/2021-07-01/adr.md b/radar/2021-07-01/adr.md
index 5eeee6e..0cdbc43 100644
--- a/radar/2021-07-01/adr.md
+++ b/radar/2021-07-01/adr.md
@@ -2,7 +2,7 @@
 title:      "ADR"
 quadrant:   methods-and-patterns
 ring:       adopt
-tags: [architecture]
+tags: [architecture, documentation]
 ---
 
 [ADRs](https://adr.github.io/) have proven to be a useful tool for documentation and are commonly used in