diff --git a/docs/cmdline-opts/post301.d b/docs/cmdline-opts/post301.d
index edcaf8755..87a9fe7ed 100644
--- a/docs/cmdline-opts/post301.d
+++ b/docs/cmdline-opts/post301.d
@@ -4,7 +4,7 @@ Protocols: HTTP
 See-also: post302 post303 location
 Added: 7.17.1
 ---
-Tells curl to respect RFC 7230/6.4.2 and not convert POST requests into GET
+Tells curl to respect RFC 7231/6.4.2 and not convert POST requests into GET
 requests when following a 301 redirection. The non-RFC behaviour is ubiquitous
 in web browsers, so curl does the conversion by default to maintain
 consistency. However, a server may require a POST to remain a POST after such
diff --git a/docs/cmdline-opts/post302.d b/docs/cmdline-opts/post302.d
index 6ea5f09bb..caf0d87f1 100644
--- a/docs/cmdline-opts/post302.d
+++ b/docs/cmdline-opts/post302.d
@@ -4,7 +4,7 @@ Protocols: HTTP
 See-also: post301 post303 location
 Added: 7.19.1
 ---
-Tells curl to respect RFC 7230/6.4.2 and not convert POST requests into GET
+Tells curl to respect RFC 7231/6.4.3 and not convert POST requests into GET
 requests when following a 302 redirection. The non-RFC behaviour is ubiquitous
 in web browsers, so curl does the conversion by default to maintain
 consistency. However, a server may require a POST to remain a POST after such
diff --git a/docs/cmdline-opts/post303.d b/docs/cmdline-opts/post303.d
index 8b36c8211..f8a60ec5f 100644
--- a/docs/cmdline-opts/post303.d
+++ b/docs/cmdline-opts/post303.d
@@ -4,7 +4,7 @@ Protocols: HTTP
 See-also: post302 post301 location
 Added: 7.26.0
 ---
-Tells curl to respect RFC 7230/6.4.2 and not convert POST requests into GET
+Tells curl to respect RFC 7231/6.4.4 and not convert POST requests into GET
 requests when following a 303 redirection. The non-RFC behaviour is ubiquitous
 in web browsers, so curl does the conversion by default to maintain
 consistency. However, a server may require a POST to remain a POST after such