diff --git a/EnvironmentVariables.md b/EnvironmentVariables.md
index 40a1cd5..c433f8b 100644
--- a/EnvironmentVariables.md
+++ b/EnvironmentVariables.md
@@ -33,7 +33,7 @@ Environment controls begin with the keyword ```environment``` followed by an ind
The basic structure of an environment rule is as follows.
```
- ENVIRONMENT_RULE := ( AUDIT_QUALIFIER QUALIFIER 'environment' VARIABLES ('='VALUES)? [ ':=' VALUE ] ',' | 'environment '{' ( AUDIT_QUALIFIER QUALIFIER VARIABLES ['=' VALUES] [ ':=' VALUE ] ',' )* '}' )
+ ENVIRONMENT_RULE :=
( AUDIT_QUALIFIER QUALIFIER 'environment' VARIABLES ('='VALUES)? [ ':=' VALUE ] ',' |
'environment '{' ( AUDIT_QUALIFIER QUALIFIER VARIABLES ['=' VALUES] [ ':=' VALUE ] ',' )* '}' )
AUDIT_QUALIFIER := (audit|quiet|access)
QUALIFIER := (allow|deny|require|filter|delete|set)