diff --git a/doc/admin/README.md b/doc/admin/README.md
index c7f7c2297d0c65240a55d152e77cdddc3b642d19..9ee299724fee008afbfbb5e97b5edd78256318ec 100755
--- a/doc/admin/README.md
+++ b/doc/admin/README.md
@@ -300,7 +300,11 @@ They correspond to pieces of information that are linked to stocks. Each type of
 | Comments    | Character string  | Free text giving comments on the feature |
 | Created At  | Timestamp         | Timestamp of the record creation in the database |
 | Created At  | Timestamp         | Timestamp of the record update in the database   |
-| Color       | Character string  | The color with which the feature will be displayed on plasmid maps. Do **NOT** edit directly: it should be one of those propsed by the dropdown menu |
+| Color       | Character string  | The color with which the feature will be displayed on plasmid maps. Do **NOT** edit directly because your color name or syntax may not be recognized properly. Instead, select one of those proposed by the dropdown menu |
+
+After adding or editing DNA features entries, your **modifications will NOT directly appear on the plasmid maps** unless you directly **UPDATE PLASMID MAPS WITH THE LATEST FEATURES**. Technically, this corresponds to updating the BLAST database containing the DNA features sequences. To achieve this update, go to the `browse` page of the `DNA features` and click on the blue button (top right) labeled `Update Plasmid Maps with these Features`.
+
+Now your latest changes should appear on the plasmid maps.
 
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