diff --git a/README.md b/README.md
index a28fa4202f03fd435a01c24fa47d5c77545113df..4d5b63389b0b9821242925d0a3133e34f3b6c640 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 lammps please provide at least the files from this table if applicable to your
+For LAMMPS 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-lammps
 ```
 
 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..87563b1bc364edb94dd1a1fcd46a3e5534668af6
--- /dev/null
+++ b/metadata.yaml
@@ -0,0 +1,6 @@
+codeLabel: LAMMPS
+codeLabelStyle: All in capitals
+codeUrl: https://lammps.sandia.gov/
+parserDirName: dependencies/parsers/lammps/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-lammps
+tableOfFiles: ''
diff --git a/metadata.yml b/metadata.yml
deleted file mode 100644
index 6fdeca9b7c33f1b5d72da95c71de522568a0bad4..0000000000000000000000000000000000000000
--- a/metadata.yml
+++ /dev/null
@@ -1,6 +0,0 @@
-code-label: LAMMPS
-code-label-style: All in capitals
-code-url: https://lammps.sandia.gov/
-parser-dir-name: dependencies/parsers/lammps/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-lammps
-table-of-files: ''