diff --git a/README.md b/README.md
index 0ebe807..99eb226 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ gh repo create rwxrob/mycmd -p rwxrob/template-bash-command
 Obviously, not all of this is needed for many Bash scripts, but anything
 with more than two subcommands will benefit from the builtin tab
 completion, embedded Markdown help documentation support, and included
-functions (`usage`, `_filter`, `_filterbuf`, `_have`, etc.)
+functions (`usage`, `_filter`, `_buffer`, `_have`, etc.)
 
 ## Installation
 
diff --git a/example b/cmd
similarity index 98%
rename from example
rename to cmd
index 809570e..5afa5d5 100755
--- a/example
+++ b/cmd
@@ -40,7 +40,7 @@ x_foo() {
 help[bar]='The `bar` command bars.'
 
 x_bar() {
-  _filterbuf "$@" && return $?
+  _buffer "$@" && return $?
   echo "would bar: $*"
 }
 
@@ -107,7 +107,7 @@ _filter(){
   done
 }
 
-_filterbuf() {
+_buffer() {
   [[ -n "$1" ]] && return 1
   "${FUNCNAME[1]}" "$(</dev/stdin)"
 }