diff --git a/README.md b/README.md
index cb462fd45cbcaa09ed35186e2d36b31cf4a3e775..c4f103a75a1abd168731558f525fe038226c9f9b 100644
--- a/README.md
+++ b/README.md
@@ -81,12 +81,12 @@ 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()
@@ -108,3 +108,5 @@ pip install -e parser-exciting
 ```
 
 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 77%
rename from metadata.yml
rename to metadata.yaml
index 8e75206fbc51ddfc78fa3e48433d9bfebd901e0e..1daa377f6b52d193d3a85d898192dea06e9f0af2 100644
--- a/metadata.yml
+++ b/metadata.yaml
@@ -1,10 +1,10 @@
-code-label: exciting
-code-label-style: All in LOWER case
-code-url: http://exciting-code.org/
-parser-dir-name: dependencies/parsers/exciting/
-parser-git-url: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-exciting
-parser-specific: ''
-table-of-files: |
+codeLabel: exciting
+codeLabelStyle: All in LOWER case
+codeUrl: http://exciting-code.org/
+parserDirName: dependencies/parsers/exciting/
+parserGitUrl: https://gitlab.mpcdf.mpg.de/nomad-lab/parser-exciting
+parserSpecific: ''
+tableOfFiles: |
   |Input Filename| Description|
   |--- | --- |
   |`INFO.OUT`| mainfile|