Update index.asciidoc (#104677)

Author: gchaps

docs/spaces/index.asciidoc

@@ -28,7 +28,7 @@ Kibana supports spaces in several ways.  You can:
 [float]
 ==== Required permissions
 
-The `kibana_admin` role or equivilent is required to manage **Spaces**.
+The `kibana_admin` role or equivalent is required to manage **Spaces**.
 
 TIP: Looking to support multiple tenants? See <<xpack-security-multiple-tenants, the Security documentation>> for more information.