diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4f55446..0287936 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -11,7 +11,7 @@
             "module": "kiwi_simple_metrics.main",
             "env": {
                 "METRIC_DISK__THRESHOLD": "85", // workaround!
-                "METRIC_DISK__PARAMS": "[\"/var\", \"/\", \"/dev\"]",
+                "METRIC_DISK__PATHS": "[\"/var\", \"/\", \"/dev\"]",
             },
             "justMyCode": true
         }
diff --git a/kiwi_simple_metrics/main.py b/kiwi_simple_metrics/main.py
index 20b6edb..155cf4e 100644
--- a/kiwi_simple_metrics/main.py
+++ b/kiwi_simple_metrics/main.py
@@ -17,7 +17,7 @@ def main() -> None:
 
     # DISK metric
     # TODO test this using timeit
-    for path in SETTINGS.disk.params:
+    for path in SETTINGS.disk.paths:
         try:
             sv = os.statvfs(path)
             percent = sv.f_bavail / sv.f_blocks * 100
diff --git a/kiwi_simple_metrics/settings.py b/kiwi_simple_metrics/settings.py
index 2ac035a..375ff75 100644
--- a/kiwi_simple_metrics/settings.py
+++ b/kiwi_simple_metrics/settings.py
@@ -1,8 +1,10 @@
-from pydantic import BaseModel, Field
+import math
+
+from pydantic import BaseModel, DirectoryPath, Field
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
-class MetricS(BaseModel):
+class MetricSettings(BaseModel):
     # metric will be reported
     enabled: bool = True
 
@@ -13,9 +15,9 @@ class MetricS(BaseModel):
     inverted: bool = False
 
 
-class ParamMS(MetricS):
-    # arbitrary parameters
-    params: list[str] = Field(default_factory=list)
+class DiskMS(MetricSettings):
+    # paths to check for disk space
+    paths: list[DirectoryPath] = Field(default_factory=list)
 
 
 class Settings(BaseSettings):
@@ -24,9 +26,9 @@ class Settings(BaseSettings):
         env_nested_delimiter="__",
     )
 
-    cpu: MetricS = MetricS(threshold=100)
-    memory: MetricS = MetricS(threshold=90)
-    disk: ParamMS = ParamMS(threshold=85)
+    cpu: MetricSettings = MetricSettings(threshold=math.inf)
+    memory: MetricSettings = MetricSettings(threshold=90)
+    disk: DiskMS = DiskMS(threshold=85)
 
 
 SETTINGS = Settings()