diff --git a/contents/codes/203.md b/contents/codes/203.md
index 51141fe..92ca247 100644
--- a/contents/codes/203.md
+++ b/contents/codes/203.md
@@ -20,11 +20,10 @@ Applied<sup>[2](#ref-2)</sup>, which has the advantage of being applicable to
 responses with any status code.
 
 A 203 response is cacheable by default; i.e., unless otherwise indicated by the
-method definition or explicit cache controls<sup>[2](#ref-3)</sup>.
+method definition or explicit cache controls<sup>[3](#ref-3)</sup>.
 
 ---
 
-
 * <span id="ref-1"><sup>1</sup> Transformations
 [Section 5.7.2 of RFC7230][2]</span>
 * <span id="ref-2"><sup>2</sup> Warning [Section 5.5 of RFC7234][3]</span>
@@ -35,4 +34,4 @@ method definition or explicit cache controls<sup>[2](#ref-3)</sup>.
 [1]: <http://tools.ietf.org/html/rfc7231#section-6.3.4>
 [2]: <http://tools.ietf.org/html/rfc7230#section-5.7.2>
 [3]: <http://tools.ietf.org/html/rfc7234#section-5.5>
-[4]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>
\ No newline at end of file
+[4]: <http://tools.ietf.org/html/rfc7234#section-4.2.2>