diff --git a/README.md b/README.md
index 7b09162..fa20e78 100644
--- a/README.md
+++ b/README.md
@@ -57,8 +57,8 @@ and select the `multiphase_chemistry_env` environment from the kernel options.
 | description             | title (only info about content), comment (too broad in scope), source          | Provides a short description of methods and processing steps used to arrive at the current version of the dataset.                                                    | 
 | experiment              | -         | Denotes a valid name of the specific experiment or study that generated the data.                                                                                           | 
 | actris_level            | -       | Indicates the processing level of the data within the ACTRIS (Aerosol, Clouds and Trace Gases Research Infrastructure) framework.                                   | 
-| dataset_startdate       | -         | Denotes the start datetime of the dataset collection time frame.                                                                                                                    |
-| dataset_enddate         | -           | Denotes the end date of the dataset collection time frame.                                                                                                                      |                          
+| dataset_startdate       | -         | Denotes the start datetime of the dataset collection.                                                                                                                    |
+| dataset_enddate         | -           | Denotes the end datetime of the dataset collection.                                                                                                                      |                          
 | processing_filename     | - | Denotes the name of the file used to process an initial version (e.g, original version) of the dataset into a processed dataset. | 
 | processing_date         | -                | The date when the data processing was  completed.                                                                                                                    |                                 |