diff --git a/django/utils/html.py b/django/utils/html.py
index e15b2b2233..9b1c659a01 100644
--- a/django/utils/html.py
+++ b/django/utils/html.py
@@ -76,7 +76,7 @@ _js_escapes = {
     ord("\u2029"): "\\u2029",
 }
 
-# Escape every ASCII character with a value less than 32 (C0) && 127-159(C1)
+# Escape every ASCII character with a value less than 32 (C0) && 127-159(C1).
 _js_escapes.update((ord("%c" % z), "\\u%04X" % z) for z in range(32))
 _js_escapes.update((ord("%c" % z), "\\u%04X" % z) for z in range(0x80, 0xA0))