diff --git a/src/wce_crm/env_vars.txt b/src/wce_crm/env_vars.txt
index 6de1261..00c2f3e 100644
--- a/src/wce_crm/env_vars.txt
+++ b/src/wce_crm/env_vars.txt
@@ -1,3 +1,5 @@
+DOPT_DEVELOPMENT: flag which signals that the current environment is in development mode
 DOPT_STOP_FOLDER_NAME: stop folder to find base path
 DOPT_DB_CRM: path to CRM database, relative to base path
-DOPT_DB_MAIN: path to main database, relative to base path
\ No newline at end of file
+DOPT_DB_MAIN: path to main database, relative to base path
+DOPT_PATH_LOGGING: path to logging folder, relative to base path
\ No newline at end of file