fix header

README.md

@@ -138,7 +138,7 @@ Because we care about our users' security and don't want to hide security warnin
 
 The only fix for this issue is that feed providers serve their content over HTTPS.
 
-### I am getting: Doctrine DBAL Exception InvalidFieldNameException: Column not found: 1054 Unknown column some_column Or BadFunctionCallException: column is not a valid attribute
+### I am getting: Doctrine DBAL Exception InvalidFieldNameException: Column not found: 1054 Unknown column some_column Or BadFunctionCallException: someColumn is not a valid attribute
 This error usually means that your database was not properly migrated which can either be due to timeouts or bug in Doctrine or core. To prevent future timeouts use
 
     php -f owncloud/occ upgrade