diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions
index fcbd97a336..c86a0a0062 100644
--- a/docs/libcurl/symbols-in-versions
+++ b/docs/libcurl/symbols-in-versions
@@ -737,7 +737,7 @@ CURL_VERSION_GSSNEGOTIATE       7.10.6        7.38.0
 CURL_VERSION_HTTP2              7.33.0
 CURL_VERSION_IDN                7.12.0
 CURL_VERSION_IPV6               7.10
-CURL_VERSION_KERBEROS4          7.10
+CURL_VERSION_KERBEROS4          7.10          7.33.0
 CURL_VERSION_LARGEFILE          7.11.1
 CURL_VERSION_LIBZ               7.10
 CURL_VERSION_NTLM               7.10.6
diff --git a/include/curl/curl.h b/include/curl/curl.h
index 7200e93681..36673c3242 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -2242,7 +2242,8 @@ typedef struct {
 } curl_version_info_data;
 
 #define CURL_VERSION_IPV6      (1<<0)  /* IPv6-enabled */
-#define CURL_VERSION_KERBEROS4 (1<<1)  /* kerberos auth is supported */
+#define CURL_VERSION_KERBEROS4 (1<<1)  /* Kerberos V4 auth is supported
+                                          (deprecated) */
 #define CURL_VERSION_SSL       (1<<2)  /* SSL options are present */
 #define CURL_VERSION_LIBZ      (1<<3)  /* libz features are present */
 #define CURL_VERSION_NTLM      (1<<4)  /* NTLM auth is supported */