diff --git a/doc/manual/source/the-model-file.rst b/doc/manual/source/the-model-file.rst
index 7cad02bec41007d212a494e01bcefb9e1049c459..6542289c23aa93606b770dba08d3e7bb7ea5d1ad 100644
--- a/doc/manual/source/the-model-file.rst
+++ b/doc/manual/source/the-model-file.rst
@@ -12198,7 +12198,7 @@ below.
         UPPER_CHOLESKY;
         LOWER_CHOLESKY;
         EXCLUSION CONSTANTS;
-        EXCLUSION LAG INTEGER; EQUATION INTEGER, VARIABLE_NAME [,VARIABLE_NAME...];
+        EXCLUSION LAG INTEGER; EQUATION INTEGER, VARIABLE_NAME [[,] VARIABLE_NAME...];
         RESTRICTION EQUATION INTEGER, EXPRESSION = EXPRESSION;
 
     To be documented. For now, see the wiki:
diff --git a/preprocessor b/preprocessor
index 7fff8b34064a98770151b23e45e52c19bfa40569..46cc47266bac728eeb0758d3b7cff18f841437bb 160000
--- a/preprocessor
+++ b/preprocessor
@@ -1 +1 @@
-Subproject commit 7fff8b34064a98770151b23e45e52c19bfa40569
+Subproject commit 46cc47266bac728eeb0758d3b7cff18f841437bb