diff --git a/meta/libraries.json b/meta/libraries.json
index 1708853..4e1692a 100644
--- a/meta/libraries.json
+++ b/meta/libraries.json
@@ -9,14 +9,15 @@
         "std-tr1": false,
         "category": [
             "Function-objects"
-        ]
+        ],
+        "maintainers": ""
     },
     {
         "key": "functional/hash",
         "boost-version": "1.33.0",
         "name": "Functional/Hash",
         "authors": "Daniel James",
-        "maintainers": ["Daniel James"],
+        "maintainers": "Daniel James <dnljms -at- gmail.com>",
         "description": "A TR1 hash function object that can be extended to hash user defined types.",
         "documentation": "hash/",
         "std-proposal": false,
@@ -36,7 +37,8 @@
         "std-tr1": false,
         "category": [
             "Function-objects"
-        ]
+        ],
+        "maintainers": "Tobias Schwinger <tschwinger -at- isonews2.com>"
     },
     {
         "key": "functional/forward",
@@ -49,7 +51,8 @@
         "std-tr1": false,
         "category": [
             "Function-objects"
-        ]
+        ],
+        "maintainers": "Tobias Schwinger <tschwinger -at- isonews2.com>"
     },
     {
         "key": "functional/overloaded_function",
@@ -62,6 +65,7 @@
         "std-tr1": false,
         "category": [
             "Function-objects"
-        ]
+        ],
+        "maintainers": "Lorenzo Caminiti <lorcaminiti -at- gmail.com>"
     }
-]
+]
\ No newline at end of file