Cosmetics.

src/http/modules/ngx_http_image_filter_module.c

diff --git a/src/http/modules/ngx_http_image_filter_module.c b/src/http/modules/ngx_http_image_filter_module.c
index 31f26ec..f0c711e 100644
--- a/src/http/modules/ngx_http_image_filter_module.c
+++ b/src/http/modules/ngx_http_image_filter_module.c
@@ -115,7 +115,7 @@
 static ngx_command_t  ngx_http_image_filter_commands[] = {
 
     { ngx_string("image_filter"),
-      NGX_HTTP_LOC_CONF|NGX_CONF_TAKE13|NGX_CONF_TAKE2,
+      NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123,
       ngx_http_image_filter,
       NGX_HTTP_LOC_CONF_OFFSET,
       0,
@@ -1405,7 +1405,7 @@
 
         if (n <= 0) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                               "invalid parameter \"%V\"", &value[1]);
+                               "invalid value \"%V\"", &value[1]);
             return NGX_CONF_ERROR;
         }
 
@@ -1452,7 +1452,7 @@
 
         if (n < 0) {
             ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
-                               "invalid parameter \"%V\"", &value[1]);
+                               "invalid value \"%V\"", &value[1]);
             return NGX_CONF_ERROR;
         }