diff --git a/completions/try.bash b/completions/try.bash
index 603c8004..fc29d088 100644
--- a/completions/try.bash
+++ b/completions/try.bash
@@ -17,7 +17,7 @@ _try() {
 
     case "${cmd}" in
         (try)
-            opts="-n -y -v -h -x -i -D -U summary commit explore"
+            opts="-n -y -v -h -x -d -i -D -U summary commit explore"
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]]
             then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
diff --git a/docs/try.1.md b/docs/try.1.md
index 3ce8084d..13e0cf9d 100644
--- a/docs/try.1.md
+++ b/docs/try.1.md
@@ -41,6 +41,10 @@ While using *try* you can choose to commit the result to the filesystem or compl
 
 : Prevent network access (by unsharing the network namespace).
 
+-d
+
+: Enable support of overlayfs backed systems i.e. docker.
+
 
 ## Options