diff --git a/README.md b/README.md
index 15d8922cb261ec4c8180990082c0be2b8ac6077b..8c1ba66293263f06b6c74a525dc4aa2479290f4b 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 charmm please provide at least the files from this table if applicable to your
+For CHARMM 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-charmm
 ```
 
 Running the parser now, will use the parser's Python code from the clone project.
+
+$parserSpecific$
diff --git a/metadata.yaml b/metadata.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..5b9cdcd1e4fc92fd8faf780e46a7dc6e5331e089
--- /dev/null
+++ b/metadata.yaml
@@ -0,0 +1,6 @@
+codeLabel: CHARMM
+codeLabelStyle: all in capitals
+codeUrl: https://www.charmm.org/charmm/
+parserDirName: dependencies/parsers/charmm/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-charmm
+tableOfFiles: ''
diff --git a/metadata.yml b/metadata.yml
deleted file mode 100644
index fa825e1ec06968445758bb17c7044a79b494d182..0000000000000000000000000000000000000000
--- a/metadata.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-code-label: CHARMM
-code-label-style: all in capitals
-code-url: https://www.charmm.org/charmm/
-parser-dir-name: dependencies/parsers/charmm/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-charmm
-table-of-files: ''