diff --git a/include/curl/curl.h b/include/curl/curl.h
index d554b818744c526c3eec199297ff82de1534c75f..f11afdc067ab73e3afed445b186cf66b99beca06 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -181,7 +181,7 @@ typedef enum {
 
 #define CURL_ERROR_SIZE 256
 
-/* maximum URL length we deal with */
+/* maximum URL length we deal with in headers */
 #define URL_MAX_LENGTH 4096 
 #define URL_MAX_LENGTH_TXT "4095"