diff --git a/docs/source/usage/project_integration.md b/docs/source/usage/project_integration.md
index f6f3bb3e57d59ec240be441d7549c85d4eb97fae..19809a616175bee796a435b440951dffc07199b2 100644
--- a/docs/source/usage/project_integration.md
+++ b/docs/source/usage/project_integration.md
@@ -96,7 +96,7 @@ The function takes the following options:
  - `SCRIPTS`: A list of generator scripts
  - `DEPENDS`: A list of dependencies for the generator scripts
  - `FILE_EXTENSION`: The desired extensions for the generated files
- - `HEADER_ONLY`: Toggles header-only code generation
+ - `OUTPUT_MODE`: Sets the output mode of the code generator; see {any}`SfgConfig.output_mode`.
 
 ### Include generated files