diff --git a/doc/vcsh.1.ronn b/doc/vcsh.1.ronn
index 45b8c831c0b913ad170eabbebbb9af4996a3ff6f..a25bf65b18c5ac5fecef303cae607e662a22d71c 100644
--- a/doc/vcsh.1.ronn
+++ b/doc/vcsh.1.ronn
@@ -98,7 +98,7 @@ an interactive user.
   Delete an existing repository.
 
 * enter:
-  Enter repository; spawn new <$SHELL>.
+  Enter repository; spawn new <$SHELL> with <$GIT_DIR> set.
 
 * foreach:
   Execute git command for every vcsh repository.
diff --git a/vcsh b/vcsh
index de1b419f4ce57ee0d74233d4156358d418f3055a..ff0ec2bb4d59bc60c301429ebf38d24d4fc75e65 100755
--- a/vcsh
+++ b/vcsh
@@ -106,6 +106,7 @@ help() {
    commit               Commit in all repositories
    delete <repo>        Delete an existing repository
    enter <repo>         Enter repository; spawn new instance of \$SHELL
+                        with \$GIT_DIR set.
    foreach [<-g>]
      <git command>      Execute a command for every repository
    help                 Display this help text