diff --git a/docs/topics/db/models.txt b/docs/topics/db/models.txt
index baef01b6fb..c0ba53ddd7 100644
--- a/docs/topics/db/models.txt
+++ b/docs/topics/db/models.txt
@@ -182,7 +182,7 @@ ones:
                 ('L', 'Large'),
             )
             name = models.CharField(max_length=60)
-            shirt_size = models.CharField(max_length=2, choices=SHIRT_SIZES)
+            shirt_size = models.CharField(max_length=1, choices=SHIRT_SIZES)
 
     ::