diff --git a/doc/ccollect.text b/doc/ccollect.text
index 4787053..720bcc8 100644
--- a/doc/ccollect.text
+++ b/doc/ccollect.text
@@ -422,6 +422,12 @@ Example:
    [9:05] ikn2:ccollect% echo "different-host" > conf/sources/local/remote_host
 --------------------------------------------------------------------------------
 
+You can use all source options as defaults, with the exception of
+
+- `source`
+- `destination`
+- `pre_exec`
+- `post_exec`
 
 Detailed description of "source"
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
@@ -474,7 +480,7 @@ Detailed description of "verbose"
 
 If this file exists in the source specification *-v* will be passed to `rsync`.
 
-`
+
 Example:
 --------------------------------------------------------------------------------
    [11:35] zaphodbeeblebrox:ccollect-0.2% touch conf/sources/testsource1/verbose