diff --git a/package.json b/package.json
index 07f2e4b..2716dee 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
 		"@typescript-eslint/parser": "5.29.0",
 		"builtin-modules": "3.3.0",
 		"esbuild": "0.14.47",
+		"eslint": "^8.29.0",
 		"jest": "^28.1.1",
 		"monkey-around": "^2.3.0",
 		"obsidian": "^0.15.4",
diff --git a/src/custom-sort/custom-sort.ts b/src/custom-sort/custom-sort.ts
index 8b7ee46..91d7b1b 100644
--- a/src/custom-sort/custom-sort.ts
+++ b/src/custom-sort/custom-sort.ts
@@ -1,4 +1,4 @@
-import {FrontMatterCache, MetadataCache, requireApiVersion, TAbstractFile, TFile, TFolder} from 'obsidian';
+import {FrontMatterCache, requireApiVersion, TAbstractFile, TFile, TFolder} from 'obsidian';
 import {
 	CustomSortGroup,
 	CustomSortGroupType,
diff --git a/src/main.ts b/src/main.ts
index ebd79dc..26112cb 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -84,10 +84,11 @@ export default class CustomSortPlugin extends Plugin {
 				// - files with the same name as parent folders (aka folder notes): References/References.md
 				// - the file explicitly indicated in documentation, by default Inbox/Inbox.md
 				if (aFile.name === SORTSPEC_FILE_NAME ||
+					aFile.name === `${SORTSPEC_FILE_NAME}.md` ||
 					aFile.basename === parent.name ||
 					aFile.basename === this.settings.additionalSortspecFile ||  // (A) 'Inbox/sort' === setting 'Inbox/sort'
 					aFile.path === this.settings.additionalSortspecFile ||      // (B) 'Inbox/sort.md' === setting 'Inbox/sort.md'
-					aFile.path === this.settings.additionalSortspecFile + '.md' // (C) 'Inbox/sort.md.md' === setting 'Inbox/sort.md'
+					aFile.path === `${this.settings.additionalSortspecFile}.md` // (C) 'Inbox/sort.md.md' === setting 'Inbox/sort.md'
 				) {
 					const sortingSpecTxt: string = mCache.getCache(aFile.path)?.frontmatter?.[SORTINGSPEC_YAML_KEY]
 					if (sortingSpecTxt) {