diff --git a/README.md b/README.md
index 6c37020..fb4e48f 100644
--- a/README.md
+++ b/README.md
@@ -59,5 +59,10 @@ Keys are stored in an SQLite format 3 database. You may access it using the `sql
 The simplest way to revoke a key is to set its `not_after` field at the current timestamp. A new key will automatically be generated. You may also set the `revocation` field to a different timestamp in order to publish the key when desired.
 
 ```
-UPDATE key_db SET not_after = unixepoch(), revocation = unixepoch('now', '+20 days') WHERE selector = 'dkim-755512d8f51b4da6936d565a1ddbaf17';
+UPDATE key_db \
+SET \
+    not_after = unixepoch(), \
+    revocation = unixepoch('now', '+20 days') \
+WHERE \
+    selector = 'dkim-755512d8f51b4da6936d565a1ddbaf17';
 ```