diff --git a/.printer-linter b/.printer-linter
index 856649f420..f9f105e1f7 100644
--- a/.printer-linter
+++ b/.printer-linter
@@ -9,7 +9,7 @@ format:
     format-definition-paired-coordinate-array: true
     format-definition-sort-keys: true
     format-definition-indent: 4
-    format-definition-single-value-single-line: true
+    format-definition-single-value-single-line: true # Format dicts and lists with a single item on one line "dict": { "value": 10 }
     format-profile-space-around-delimiters: true
     format-profile-sort-keys: true
 diagnostic-mesh-file-size: 1200000
\ No newline at end of file
diff --git a/printer-linter/README.md b/printer-linter/README.md
index e69de29bb2..64246e5440 100644
--- a/printer-linter/README.md
+++ b/printer-linter/README.md
@@ -0,0 +1,11 @@
+# Printer Linter
+Printer linter is a python package that does linting on Cura definitions files.
+Running this on your definition files will get them ready for a pull request.
+
+## Running Locally
+From the Cura root folder.
+
+```python3 printer-linter/src/terminal.py "flashforge_dreamer_nx.def.json" "flashforge_base.def.json" --fix  --format```
+
+## Developing
+
diff --git a/printer-linter/src/terminal.py b/printer-linter/src/terminal.py
index f388dda4c5..d363dc3812 100644
--- a/printer-linter/src/terminal.py
+++ b/printer-linter/src/terminal.py
@@ -49,7 +49,11 @@ def formatFile(file: Path, settings) -> None:
             content = newline.sub(r"\1\2:\1{", content)
 
         if settings["format"].get("format-definition-single-value-single-line", True):
-            pass  # TODO: format entries in the override section which only define a single value to be on one line
+            single_value_dict = re.compile(r"(:)(\s*\n?.*\{\s+)(\".*)(\d*\s*\})(\s*)(,?)")
+            content = single_value_dict.sub(r"\1 { \3 }\6", content)
+
+            single_value_list = re.compile(r"(:)(\s*\n?.*\[\s+)(\".*)(\d*\s*\])(\s*)(,?)")
+            content = single_value_list.sub(r"\1 [ \3 ]\6", content)
 
         if settings["format"].get("format-definition-paired-coordinate-array", True):
             paired_coordinates = re.compile(r"(\[)\s+(-?\d*),\s*(-?\d*)\s*(\])")