Improved ngx_parse_time() code readability.
diff --git a/src/core/ngx_parse.h b/src/core/ngx_parse.h
index c25a3a0..e770623 100644
--- a/src/core/ngx_parse.h
+++ b/src/core/ngx_parse.h
@@ -17,7 +17,7 @@
 
 ssize_t ngx_parse_size(ngx_str_t *line);
 off_t ngx_parse_offset(ngx_str_t *line);
-ngx_int_t ngx_parse_time(ngx_str_t *line, ngx_uint_t sec);
+ngx_int_t ngx_parse_time(ngx_str_t *line, ngx_uint_t is_sec);
 
 
 #endif /* _NGX_PARSE_H_INCLUDED_ */