diff --git a/README.md b/README.md
index 571bb4d186e2df48cd418bfa9b0e6f26ccc2f51f..1e09f83050589aee4dcfea8d154089e4f468d601 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ in the same directory as files that also belong to that entry. Parsers
 might also read information from these auxillary files. This way you can add more files
 to an entry, even if the respective parser/code might not directly support it.
 
-For gpaw please provide at least the files from this table if applicable to your
+For GPAW please provide at least the files from this table if applicable to your
 calculations (remember that you can provide more files if you want):
 
 
@@ -49,12 +49,12 @@ import sys
 from nomad.cli.parse import parse, normalize_all
 
 # match and run the parser
-backend = parse(sys.argv[1])
+archive = parse(sys.argv[1])
 # run all normalizers
-normalize_all(backend)
+normalize_all(archive)
 
 # get the 'main section' section_run as a metainfo object
-section_run = backend.resource.contents[0].section_run[0]
+section_run = archive.section_run[0]
 
 # get the same data as JSON serializable Python dict
 python_dict = section_run.m_to_dict()
@@ -76,3 +76,5 @@ pip install -e parser-gpaw
 ```
 
 Running the parser now, will use the parser's Python code from the clone project.
+
+
diff --git a/metadata.yaml b/metadata.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2503ccaa88a10358280150fdecec76969d3f718e
--- /dev/null
+++ b/metadata.yaml
@@ -0,0 +1,7 @@
+codeLabel: GPAW
+codeLabelStyle: All in capitals
+codeUrl: https://wiki.fysik.dtu.dk/gpaw/
+parserDirName: dependencies/parsers/gpaw/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-gpaw
+parserSpecific: ''
+tableOfFiles: ''
diff --git a/metadata.yml b/metadata.yml
deleted file mode 100644
index 7eec850765a4fb2994f4b89a409f2f89403e7598..0000000000000000000000000000000000000000
--- a/metadata.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-code-label: GPAW
-code-label-style: All in capitals
-code-url: https://wiki.fysik.dtu.dk/gpaw/
-parser-dir-name: dependencies/parsers/gpaw/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-gpaw
-parser-specific: ''
-table-of-files: ''