diff --git a/README.md b/README.md
index a12cce386b13065fe8b2c3393207d6d6086b51df..79a8b4ea5ee97d0ba82546974bec0c7e9a33f698 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 octopus please provide at least the files from this table if applicable to your
+For Octopus please provide at least the files from this table if applicable to your
 calculations (remember that you can provide more files if you want):
 
 |Input Filename| Description|
@@ -60,12 +60,12 @@ 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()
@@ -87,3 +87,5 @@ pip install -e parser-octopus
 ```
 
 Running the parser now, will use the parser's Python code from the clone project.
+
+
diff --git a/metadata.yml b/metadata.yaml
similarity index 68%
rename from metadata.yml
rename to metadata.yaml
index 056fa07d162ac480da6fb02bd61480df83531167..366dd888ee5e58d2946cd94e429477f97282a86c 100644
--- a/metadata.yml
+++ b/metadata.yaml
@@ -1,10 +1,10 @@
-code-label: Octopus
-code-label-style: 'Capitals: O'
-code-url: https://octopus-code.org/
-parser-dir-name: dependencies/parsers/octopus/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-octopus
-parser-specific: ''
-table-of-files: |
+codeLabel: Octopus
+codeLabelStyle: 'Capitals: O'
+codeUrl: https://octopus-code.org/
+parserDirName: dependencies/parsers/octopus/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-octopus
+parserSpecific: ''
+tableOfFiles: |
   |Input Filename| Description|
   |--- | --- |
   |`<text_file>` | **Mainfile:** a plain text file w/arbitrary name|