diff --git a/README.md b/README.md
index f2d6007c3caa60518d15821831b14dd4a1b633d8..93232dd454bc7ae3855c7be897cc76eec939f7a0 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 cpmd please provide at least the files from this table if applicable to your
+For CPMD 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-cpmd
 ```
 
 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..0b692d08aac306a5c89f570d2a62a95a5b3f1b5f
--- /dev/null
+++ b/metadata.yaml
@@ -0,0 +1,7 @@
+codeLabel: CPMD
+codeLabelStyle: all in capitals
+codeUrl: https://www.cpmd.org/
+parserDirName: dependencies/parsers/cpmd/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-cpmd
+parserSpecific: ''
+tableOfFiles: ''
diff --git a/metadata.yml b/metadata.yml
deleted file mode 100644
index b6bc03c0928d45a5c72f49600f8ce14f06185292..0000000000000000000000000000000000000000
--- a/metadata.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-code-label: CPMD
-code-label-style: all in capitals
-code-url: https://www.cpmd.org/
-parser-dir-name: dependencies/parsers/cpmd/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-cpmd
-parser-specific: ''
-table-of-files: ''