diff --git a/docs/operators/handbook.md b/docs/operators/handbook.md
index ce315241..c9943baa 100644
--- a/docs/operators/handbook.md
+++ b/docs/operators/handbook.md
@@ -104,7 +104,7 @@ Co-op Cloud uses [Docker Secrets](https://docs.docker.com/engine/swarm/secrets/)
 
 `abra` includes several commands to make it easier to manage secrets:
 
-- `abra app secret generate <domain>`: to auto-generate a app secrets
+- `abra app secret generate <domain>`: to auto-generate app secrets
 - `abra app secret insert <domain>`: to insert a single secret
 - `abra app secret rm <domain>`: to remove secrets