minor usage notes

README.md

@@ -20,7 +20,7 @@ All instances of variations are stored with an associated file URI to support la
 % vrsix load chr1.vcf gs://my_stuff/chr1.vcf
 ```
 
-By default, all records are ingested into a sqlite file located at `~/.local/share/vrsix.db`. This can be overridden with either the environment variable `VRS_VCF_INDEX`, or with an optional flag:
+By default, all records are ingested into a sqlite file located at `~/.local/share/vrsix.db`. This can be overridden with either the environment variable `VRS_VCF_INDEX`, or with an optional flag to the CLI:
 
 ```shell
 vrsix load --db-location=./vrsix.db input.vcf

src/vrsix/cli.py

@@ -1,4 +1,4 @@
-"""Provide CLI utility for interfacing with data load and fetch operations."""
+"""Provide CLI utility for interfacing with data loading operations."""
 
 import logging
 from pathlib import Path

src/vrsix/sqlite.py

@@ -4,7 +4,5 @@
 from pathlib import Path
 
 DEFAULT_SQLITE_LOCATION = Path(
-    os.environ.get(
-        "VRS_VCF_INDEX", Path.home() / ".local" / "share" / "vrs_vcf_index.db"
-    )
+    os.environ.get("VRS_VCF_INDEX", Path.home() / ".local" / "share" / "vrsix.db")
 )