Merge branch 'staging' into 'master'

Correct json

See merge request !59

tutorials.json

@@ -790,7 +790,7 @@
         "Leitherer, Andreas",
         "Ziletti, Angelo",
         "Sbailò, Luigi",
-        "Scheffler, Matthias"
+        "Scheffler, Matthias",
         "Ghiringhelli, Luca M."
       ],
       "email": "leitherer@fhi-berlin.mpg.de",
@@ -806,7 +806,7 @@
       },
       "labels": {
         "application_keyword": [
-          "Dee neural networks",
+          "Deep neural networks",
           "Descriptors"
         ],
         "application_section": [