diff --git a/index.js b/index.js
index 9e6329e..9b0db17 100644
--- a/index.js
+++ b/index.js
@@ -4,7 +4,7 @@ const patchDiffRegex = /[.](patch|diff)$/;
 const releaseRegex = /^releases[/]tag[/]([^/]+)/;
 const labelRegex = /^labels[/]([^/]+)/;
 const compareRegex = /^compare[/]([^/]+)/;
-const pullRegex = /^pull[/](\d+)[/]([^/]+)$/;
+const pullRegex = /^pull[/](\d+)[/]([^/]+)(?:[/]([\da-f]{40})[.][.]([\da-f]{40}))?$/;
 const releaseArchiveRegex = /^archive[/](.+)([.]zip|[.]tar[.]gz)/;
 const releaseDownloadRegex = /^releases[/]download[/]([^/]+)[/](.+)/;
 const dependentsRegex = /^network[/]dependents[/]?$/;
@@ -90,7 +90,7 @@ function shortenURL(href, currentUrl = 'https://github.com') {
 	const [, downloadTag, downloadFilename] = repoPath.match(releaseDownloadRegex) || [];
 	const [, label] = repoPath.match(labelRegex) || [];
 	const [, compare] = repoPath.match(compareRegex) || [];
-	const [, pull, pullPage] = repoPath.match(pullRegex) || [];
+	const [, pull, pullPage, pullPartialStart, pullPartialEnd] = repoPath.match(pullRegex) || [];
 	const isFileOrDir = revision && [
 		'raw',
 		'tree',
@@ -164,8 +164,14 @@ function shortenURL(href, currentUrl = 'https://github.com') {
 		return `${user}/${repo} (dependencies)`;
 	}
 
-	if (pull && pullPage) {
-		return `${repoUrl}#${pull} (${pullPage})`;
+	if (pull) {
+		if (pullPage === 'files' && pullPartialStart && pullPartialEnd) {
+			return `<code>${pullPartialStart.slice(0, 8)}..${pullPartialEnd.slice(0, 8)}</code> (#${pull})`;
+		}
+
+		if (pullPage) {
+			return `${repoUrl}#${pull} (${pullPage})`;
+		}
 	}
 
 	if (compare) {
diff --git a/test.js b/test.js
index 2280ab9..9238675 100644
--- a/test.js
+++ b/test.js
@@ -434,4 +434,8 @@ test('GitHub.com URLs', urlMatcherMacro, new Map([
 		'https://github.com/fregante/shorten-repo-url/issues?q=is%3Aissue++is%3Aopen+sort%3Aupdated-desc+&unrelated=true',
 		'fregante/shorten-repo-url/issues?unrelated=true (is:open sort:updated-desc)',
 	],
+	[
+		'https://github.com/sindresorhus/notifier-for-github/pull/253/files/6b4489d417c9425dc27c5fb8d6b4a8518debd035..60cdcf3c3646164441bf8f037cef620479cdec59',
+		'<code>6b4489d4..60cdcf3c</code> (#253)',
+	],
 ]));