diff --git a/geomagio/ObservatoryMetadata.py b/geomagio/ObservatoryMetadata.py
index cdab2586d7c8a1ca5ec52924cfe0b087814ff2d3..7d897740364f05d3ce144f815a1877b0e037b7fc 100644
--- a/geomagio/ObservatoryMetadata.py
+++ b/geomagio/ObservatoryMetadata.py
@@ -17,7 +17,7 @@ DEFAULT_INTERVAL_SPECIFIC = {
     "minute": {
         "data_interval_type": "1-minute",
         "filter_comments": [
-            "Scalar and Vector 1-minute values are computed from 1 Hz values using an INTERMAGNET gaussian filter centered on the start of the minute (00:30-01:30)."
+            "Scalar and Vector 1-minute values are computed from 1 Hz values using an INTERMAGNET gaussian filter centered on the start of the minute (00:15-01:45))."
         ],
     },
     "second": {
diff --git a/geomagio/VariometerMetaData.py b/geomagio/VariometerMetadata.py
similarity index 99%
rename from geomagio/VariometerMetaData.py
rename to geomagio/VariometerMetadata.py
index 990a65c651bd9d721859db410dcbbfa1eb114f7c..419b425fb12701bef35fe807c06567b1c8023b68 100644
--- a/geomagio/VariometerMetaData.py
+++ b/geomagio/VariometerMetadata.py
@@ -14,7 +14,7 @@ DEFAULT_INTERVAL_SPECIFIC = {
     "minute": {
         "data_interval_type": "1-minute",
         "filter_comments": [
-            "Scalar and Vector 1-minute values are computed from 1 Hz values using an INTERMAGNET gaussian filter centered on the start of the minute (00:30-01:30)."
+            "Scalar and Vector 1-minute values are computed from 1 Hz values using an INTERMAGNET gaussian filter centered on the start of the minute (00:15-01:45))."
         ],
     },
     "second": {
diff --git a/geomagio/api/ws/Observatory.py b/geomagio/api/ws/Observatory.py
index 73a8a4e6fb304aa6a07a0921fa1dd189721e6944..12c662a135550c303f75e4b9980bf5abdbc8897c 100644
--- a/geomagio/api/ws/Observatory.py
+++ b/geomagio/api/ws/Observatory.py
@@ -1,9 +1,6 @@
 from pydantic import BaseModel, validator
-from geomagio.ObservatoryMetadata import (
-    DEFAULT_METADATA,
-    DEFAULT_INTERVAL_SPECIFIC,
-)  # remove data_int here as well
-from geomagio.VariometerMetaData import DEFAULT_ASL_METADATA
+from geomagio.ObservatoryMetadata import DEFAULT_METADATA
+from geomagio.VariometerMetadata import DEFAULT_ASL_METADATA
 from typing import Dict
 
 
diff --git a/geomagio/edge/IRISFactory.py b/geomagio/edge/IRISFactory.py
index 5499bdf8d0f7f17ffab35892ef4f9dfbdb474699..7f7889c310190dbd92cb8b80c61830455a137a04 100644
--- a/geomagio/edge/IRISFactory.py
+++ b/geomagio/edge/IRISFactory.py
@@ -4,8 +4,7 @@ from obspy import Trace, UTCDateTime, Stream
 from obspy.clients.iris.client import Client
 
 from ..geomag_types import DataInterval, DataType
-from ..ObservatoryMetadata import ObservatoryMetadata
-from geomagio.VariometerMetaData import VariometerMetadata
+from geomagio.VariometerMetadata import VariometerMetadata
 from .. import TimeseriesUtility
 from .IRISSNCL import IRISSNCL
 from .MiniSeedFactory import MiniSeedFactory
@@ -32,8 +31,8 @@ class IRISFactory(MiniSeedFactory):
         data type
     interval: {"tenhertz", "second", "minute", "hour", "day"}
         data interval
-    observatoryMetadata: ObservatoryMetadata
-        observatory metadata to replace the default ObservatoryMetadata
+    variometerMetadata: VariometerMetadata
+        variometer metadata to replace the default ObservatoryMetadata
     locationCode: str
         the location code for the given edge server
     convert_channels: array
@@ -62,9 +61,9 @@ class IRISFactory(MiniSeedFactory):
         channels: Optional[List[str]] = None,
         type: Optional[DataType] = None,
         interval: Optional[DataInterval] = None,
-        observatoryMetadata: Optional[ObservatoryMetadata] = None,
         locationCode: Optional[str] = None,
         convert_channels: Optional[List[str]] = None,
+        variometerMetadata: Optional[VariometerMetadata] = None,
     ):
         super().__init__(
             host=host,
@@ -73,7 +72,7 @@ class IRISFactory(MiniSeedFactory):
             channels=channels,
             type=type,
             interval=interval,
-            observatoryMetadata=observatoryMetadata or VariometerMetadata(),
+            observatoryMetadata=variometerMetadata or VariometerMetadata(),
             locationCode=locationCode,
             convert_channels=convert_channels,
         )