diff --git a/README.md b/README.md
index 9a39aaa86837002cdc79d83a0270045ef1dcb25b..362405a59ffced3d8e48588275601133a4793f78 100644
--- a/README.md
+++ b/README.md
@@ -100,11 +100,13 @@ The idea is to write as much generic code  as possible, so this can be used by a
 
 Do not override these values. 
 
-| Variable          | Meaning and use                                  | Value                           | Notes                                                    |
-| :---              | :---                                             | :---                            | :---                                                     |
-| `LOCAL_PREFIX`    | Installation path for `common_bench`             | `.local`                        | First searched via `$PATH`,`$LD_LIBRARY_PATH`, etc.      |
-| `DETECTOR_PREFIX` | Path for downloading repos and build directories | `$LOCAL_PREFIX/detector`        |                                                          |
-| `DETECTOR_PATH`   | Path to top level detector description files     | `$LOACL_PREFIX/share/$DETECTOR` | This is where various `DETECTOR_CONFIG`s should live too |
+| Variable          | Meaning and use                                  | Value                                           | Notes                                                    |
+| :---              | :---                                             | :---                                            | :---                                                     |
+| `LOCAL_PREFIX`    | Installation path for `common_bench`             | `.local`                                        | First searched via `$PATH`,`$LD_LIBRARY_PATH`, etc.      |
+| `DETECTOR_PREFIX` | Path for downloading repos and build directories | `$LOCAL_PREFIX/detector`                        |                                                          |
+| `DETECTOR_PATH`   | Path to top level detector description files     | `$LOCAL_PREFIX/share/$DETECTOR`                 | This is where various `DETECTOR_CONFIG`s should live too |
+| `LOCAL_DATA_PATH` | Large file data storage for pipeline  jobs       | `/scratch/${CI_PROJECT_NAME}_${CI_PIPELINE_ID}` | use for most data files                                  |
+
 
 #### Build Strategy
 
@@ -115,9 +117,10 @@ First, let's start with the underlying assumptions:
 
 todo
 
-#### Data Flow: Artifacts Vs dedicated storage
+#### Data Flow: Artifacts vs dedicated storage
 
-todo
+- Do not store large files as artifacts.
+- Use `LOCAL_DATA_PATH` for large files, such as, field maps, rootfiles, etc.
 
 
 ### For benchmarks