diff --git a/client/ayon_core/plugins/publish/collect_explicit_resolution.py b/client/ayon_core/plugins/publish/collect_explicit_resolution.py
index 1aa7147627..1a388d5487 100644
--- a/client/ayon_core/plugins/publish/collect_explicit_resolution.py
+++ b/client/ayon_core/plugins/publish/collect_explicit_resolution.py
@@ -50,21 +50,21 @@ class CollectExplicitResolution(
             dict: dictionary with width, height and pixel_aspect
         """
         resolution_items = self._get_resolution_items()
-        item_values = None
-        # check if resolution_value is in cached items
-        if resolution_value in resolution_items:
-            item_values = resolution_items[resolution_value]
+        # ensure resolution_value is part of expected items
+        item_values = resolution_items.get(resolution_value)
 
+        # if the item is in the cache, get the values from it
         if item_values:
-            # if the item is in the cache, get the values from it
             return {
                 "resolutionWidth": item_values["width"],
                 "resolutionHeight": item_values["height"],
                 "pixelAspect": item_values["pixel_aspect"],
             }
-        else:
-            raise PublishError(
-                f"Invalid resolution value: {resolution_value}")
+
+        raise PublishError(
+            f"Invalid resolution value: {resolution_value} "
+            f"expected choices: {resolution_items}"
+        )
 
     @classmethod
     def _get_resolution_items(cls):
@@ -72,7 +72,7 @@ class CollectExplicitResolution(
             resolution_items = {}
             for item in cls.options:
                 item_text = (
-                    f"{item['width']}x{item['height']}x{item['pixel_aspect']}")
+                    f"{item['width']}x{item['height']} ({item['pixel_aspect']})")
                 resolution_items[item_text] = item
 
             cls.resolution_items = resolution_items
diff --git a/server/settings/publish_plugins.py b/server/settings/publish_plugins.py
index 7ad6c9c506..cce312c2f8 100644
--- a/server/settings/publish_plugins.py
+++ b/server/settings/publish_plugins.py
@@ -191,21 +191,21 @@ class ResolutionOptionsModel(BaseSettingsModel):
 
 
 def ensure_unique_resolution_option(
-        objects: Iterable[Any], field_name: str | None = None) -> None:  # noqa: C901
+        objects: list[Any], field_name: str | None = None) -> None:  # noqa: C901
     """Ensure a list of objects have unique option attributes.
 
     This function checks if the list of objects has unique 'width',
     'height' and 'pixel_aspect' properties.
     """
-    options = []
+    options = set()
     for obj in objects:
         item_test_text = f"{obj.width}x{obj.height}x{obj.pixel_aspect}"
-        if item_test_text not in options:
-            options.append(item_test_text)
-        else:
+        if item_test_text in options:
             raise BadRequestException(
                 f"Duplicate option '{item_test_text}'")
 
+        options.add(item_test_text)
+
 
 class CollectExplicitResolutionModel(BaseSettingsModel):
     enabled: bool = SettingsField(True, title="Enabled")
@@ -218,14 +218,14 @@ class CollectExplicitResolutionModel(BaseSettingsModel):
     )
     options: list[ResolutionOptionsModel] = SettingsField(
         default_factory=list,
-        title="Resolution options",
+        title="Resolution choices",
         description=(
-            "Options to be provided in publisher attribute"
+            "Available resolution choices to be displayed in the publishers attribute."
         )
     )
 
     @validator("options")
-    def validate_unique_options(cls, value):
+    def validate_unique_resolution_options(cls, value):
         ensure_unique_resolution_option(value)
         return value