diff --git a/docs/changelog.rst b/docs/changelog.rst
index 8b1e31a..f07cadb 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -20,11 +20,12 @@ Fixed bugs
 - fixed case sensitivity in setup.py dependencies
 - moved :mod:`migrate.changeset.exceptions` and :mod:`migrate.versioning.exceptions`
   to :mod:`migrate.exceptions`
-- cleared up test output and improved testing of deprecation warnings.
+- cleared up test output and improved testing of deprecation warnings. 
 - some documentation fixes
-- fixed bug with column dropping in sqlite (issue 96)
+- #107: fixed syntax error in genmodel.py 
+- #96: fixed bug with column dropping in sqlite
+- #94: fixed bug that prevented non-unique indexes being created
 - fixed bug with column dropping involving foreign keys
-- fixed bug that prevented non-unique indexes being created (issue 94)
 - fixed bug when dropping columns with unique constraints in sqlite
 - rewrite of the schema diff internals, now supporting column
   differences in additon to missing columns and tables.
diff --git a/migrate/versioning/genmodel.py b/migrate/versioning/genmodel.py
index 5a43437..b3449b6 100644
--- a/migrate/versioning/genmodel.py
+++ b/migrate/versioning/genmodel.py
@@ -170,11 +170,11 @@ class ModelGenerator(object):
                         modelTable, col.name))
             for modelCol, databaseCol, modelDecl, databaseDecl in diffDecl:
                 upgradeCommands.append(
-                    'assert False, "Can\'t alter columns: %s:%s=>%s"',
-                    modelTable, modelCol.name, databaseCol.name)
+                    'assert False, "Can\'t alter columns: %s:%s=>%s"' % (
+                    modelTable, modelCol.name, databaseCol.name))
                 downgradeCommands.append(
-                    'assert False, "Can\'t alter columns: %s:%s=>%s"',
-                    modelTable, modelCol.name, databaseCol.name)
+                    'assert False, "Can\'t alter columns: %s:%s=>%s"' % (
+                    modelTable, modelCol.name, databaseCol.name))
         pre_command = '    meta.bind = migrate_engine'
 
         return (