diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index cbd2ce8..344ac9a 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -1585,7 +1585,7 @@
     if (conf->upstream.busy_buffers_size < size) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
              "\"proxy_busy_buffers_size\" must be equal or bigger than "
-             "maximum of the value of \"proxy_header_buffer_size\" and "
+             "maximum of the value of \"proxy_buffer_size\" and "
              "one of the \"proxy_buffers\"");
 
         return NGX_CONF_ERROR;
@@ -1616,7 +1616,7 @@
     if (conf->upstream.temp_file_write_size < size) {
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
              "\"proxy_temp_file_write_size\" must be equal or bigger than "
-             "maximum of the value of \"proxy_header_buffer_size\" and "
+             "maximum of the value of \"proxy_buffer_size\" and "
              "one of the \"proxy_buffers\"");
 
         return NGX_CONF_ERROR;
@@ -1639,7 +1639,7 @@
         ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
              "\"proxy_max_temp_file_size\" must be equal to zero to disable "
              "the temporary files usage or must be equal or bigger than "
-             "maximum of the value of \"proxy_header_buffer_size\" and "
+             "maximum of the value of \"proxy_buffer_size\" and "
              "one of the \"proxy_buffers\"");
 
         return NGX_CONF_ERROR;