diff --git a/meta/libraries.json b/meta/libraries.json
index 4bdac31..2c60271 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -7,7 +7,7 @@
     ],
     "description": "A value-semantic, type-safe wrapper for representing 'optional' (or 'nullable') objects of a given type. An optional object may or may not contain a value of the underlying type.",
     "category": [
-        "Data structures"
+        "Data"
     ],
     "maintainers": [
         "Fernando Cacciola <fernando_cacciola -at- ciudad.com.ar>",