diff --git a/printer-linter/src/printerlinter/factory.py b/printer-linter/src/printerlinter/factory.py
index c573507db9..24f1b504cf 100644
--- a/printer-linter/src/printerlinter/factory.py
+++ b/printer-linter/src/printerlinter/factory.py
@@ -7,7 +7,7 @@ from .linters.diagnostic_generator import DiagnosticGenerator
 from .linters.meshes import Meshes
 
 
-def create(file: Path, settings) -> Optional[DiagnosticGenerator]:
+def create(file: Path, settings: dict) -> Optional[DiagnosticGenerator]:
     """ Returns a DiagnosticGenerator depending on the file format """
     if not file.exists():
         return None
diff --git a/printer-linter/src/printerlinter/linters/defintion.py b/printer-linter/src/printerlinter/linters/defintion.py
index c5202f76eb..2f50f2542c 100644
--- a/printer-linter/src/printerlinter/linters/defintion.py
+++ b/printer-linter/src/printerlinter/linters/defintion.py
@@ -9,7 +9,7 @@ from ..replacement import Replacement
 
 
 class Definition(DiagnosticGenerator):
-    def __init__(self, file, settings) -> None:
+    def __init__(self, file: Path, settings: dict) -> None:
         super().__init__(file, settings)
         self._defs = {}
         self._getDefs(file)
diff --git a/printer-linter/src/printerlinter/linters/diagnostic_generator.py b/printer-linter/src/printerlinter/linters/diagnostic_generator.py
index 17fccd51f6..52f132a3c8 100644
--- a/printer-linter/src/printerlinter/linters/diagnostic_generator.py
+++ b/printer-linter/src/printerlinter/linters/diagnostic_generator.py
@@ -1,11 +1,17 @@
 from abc import ABC, abstractmethod
+from pathlib import Path
 from typing import Iterator
 
 from ..diagnostic import Diagnostic
 
 
 class DiagnosticGenerator(ABC):
-    def __init__(self, file, settings) -> None:
+    def __init__(self, file: Path, settings: dict) -> None:
+        """ Yields Diagnostics for file, these are suggested text replacements based on formatting rules in settings.
+
+        @param file: A file to generate diagnostics for
+        @param settings: A list of settings containing rules for creating diagnostics
+        """
         self._settings = settings
         self._file = file
 
diff --git a/printer-linter/src/printerlinter/linters/meshes.py b/printer-linter/src/printerlinter/linters/meshes.py
index 908f405072..c7ee058086 100644
--- a/printer-linter/src/printerlinter/linters/meshes.py
+++ b/printer-linter/src/printerlinter/linters/meshes.py
@@ -1,3 +1,4 @@
+from pathlib import Path
 from typing import Iterator
 
 from ..diagnostic import Diagnostic
@@ -5,7 +6,7 @@ from .diagnostic_generator import DiagnosticGenerator
 
 
 class Meshes(DiagnosticGenerator):
-    def __init__(self, file, settings) -> None:
+    def __init__(self, file: Path, settings: dict) -> None:
         super().__init__(file, settings)
         self._max_file_size = self._settings.get("diagnostic-mesh-file-size", 1e6)