diff --git a/lib/Ebook.php b/lib/Ebook.php
index 1a7d0859..c34d43e1 100644
--- a/lib/Ebook.php
+++ b/lib/Ebook.php
@@ -124,11 +124,11 @@ class Ebook{
 		}
 
 		// Fill in the short history of this repo.
-		$historyEntries = explode("\n", shell_exec('cd ' . escapeshellarg($this->RepoFilesystemPath) . ' && git log -n5 --pretty=format:"%ct %s"') ?? '');
+		$historyEntries = explode("\n", shell_exec('cd ' . escapeshellarg($this->RepoFilesystemPath) . ' && git log -n5 --pretty=format:"%ct %H %s"') ?? '');
 
 		foreach($historyEntries as $entry){
-			$array = explode(' ', $entry, 2);
-			$this->GitCommits[] = new GitCommit($array[0], $array[1]);
+			$array = explode(' ', $entry, 3);
+			$this->GitCommits[] = new GitCommit($array[0], $array[1], $array[2]);
 		}
 
 		// Get cover image URLs.
diff --git a/lib/GitCommit.php b/lib/GitCommit.php
index 921abc92..466d9b23 100644
--- a/lib/GitCommit.php
+++ b/lib/GitCommit.php
@@ -4,9 +4,11 @@ use Safe\DateTimeImmutable;
 class GitCommit{
 	public $Timestamp;
 	public $Message;
+	public $Hash;
 
-	public function __construct(string $unixTimestamp, string $message){
+	public function __construct(string $unixTimestamp, string $hash, string $message){
 		$this->Timestamp = new DateTimeImmutable('@' . $unixTimestamp);
 		$this->Message = $message;
+		$this->Hash = $hash;
 	}
 }
diff --git a/www/ebooks/ebook.php b/www/ebooks/ebook.php
index 3575ea1a..463440ff 100644
--- a/www/ebooks/ebook.php
+++ b/www/ebooks/ebook.php
@@ -136,7 +136,7 @@ catch(\Exception $ex){
 				<? foreach($ebook->GitCommits as $commit){ ?>
 				<li>
 					<time datetime="<?= $commit->Timestamp->format(DateTime::RFC3339) ?>"><?= $commit->Timestamp->format('M j, Y') ?></time>
-					<p><?= Formatter::ToPlainText($commit->Message) ?></p>
+					<p><a href="<?= Formatter::ToPlainText($ebook->GitHubUrl) ?>/commit/<?= Formatter::ToPlainText($commit->Hash) ?>"><?= Formatter::ToPlainText($commit->Message) ?></a></p>
 				</li>
 				<? } ?>
 			</ol>