diff --git a/README.rst b/README.rst
index c94c8ed..0f0a01b 100644
--- a/README.rst
+++ b/README.rst
@@ -3,11 +3,7 @@
 
 To get set up, run::
 
-  apt update && apt install cargo debcargo
-
-As your regular user, update the crates.io index:
-
-  cargo search
+  apt update && apt install debcargo
 
 Then for each new package:
 
diff --git a/vars.sh.frag b/vars.sh.frag
index dd328dd..43a2616 100644
--- a/vars.sh.frag
+++ b/vars.sh.frag
@@ -35,7 +35,7 @@
 test -x "$DEBCARGO" || abort 1 "debcargo found but not executable: $DEBCARGO"
 dcver=$($DEBCARGO --version | sed -ne 's/debcargo //p')
 case $dcver in
-2.0.*|2.1.*|2.2.[012345678]|2.2.[012345678]-*)	abort 1 "unsupported debcargo version $dcver. try reinstalling with \`cargo install debcargo --force\`";;
+2.0.*|2.1.*|2.2.[0123456789]|2.2.[0123456789]-*)	abort 1 "unsupported debcargo version $dcver. try reinstalling with \`cargo install debcargo --force\`";;
 2.2.*)	true;;
 *)	abort 1 "unsupported debcargo version: $dcver";;
 esac