diff --git a/README.md b/README.md
index 70be6d70aeb6ce57609e17e6e5b02c3f4c8c14f4..34097a2eddcd30cc1aa7a3a5e867c342a6113500 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 fplo please provide at least the files from this table if applicable to your
+For FPLO 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-fplo
 ```
 
 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..73c7df52b4300a01f7641d5448940718b064f9ac
--- /dev/null
+++ b/metadata.yaml
@@ -0,0 +1,7 @@
+codeLabel: FPLO
+codeLabelStyle: All in capitals
+codeUrl: https://www.fplo.de/
+parserDirName: dependencies/parsers/fplo/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-fplo
+parserSpecific: ''
+tableOfFiles: ''
diff --git a/metadata.yml b/metadata.yml
deleted file mode 100644
index 5bb8e9ecbb6ea756f7ea4ce146ff714df9c0ec18..0000000000000000000000000000000000000000
--- a/metadata.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-code-label: FPLO
-code-label-style: All in capitals
-code-url: https://www.fplo.de/
-parser-dir-name: dependencies/parsers/fplo/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-fplo
-parser-specific: ''
-table-of-files: ''