diff --git a/README.md b/README.md
index d9c46e1..fee8585 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 1. Install antlr4 exactly like described under Quick start: http://www.antlr.org/
 2. `pip install antlr4-python2-runtime`
 3. `pip install pystache`
-4. Generate python parser / lexer for `NaCl.g4` grammar WITH visitor (NaClVisitor.py): `antlr4 -Dlanguage=Python2 NaCl.g4 -visitor`
+4. Generate python parser / lexer for `NaCl.g4` grammar WITH visitor (NaClVisitor.py): `antlr4 -Dlanguage=Python2 NaCl.g4 -visitor -o bin`
 5. Make transpiler program executable: `chmod u+x NaCl.py`
 6. run with `cat examples/nacl.nacl | ./NaCl.py`
 7. For testing, using the `grun` program (alias really) is nice. This requires that you generate the java lexer / parser
diff --git a/create_bundle.sh b/create_bundle.sh
index 495f0d5..a915503 100755
--- a/create_bundle.sh
+++ b/create_bundle.sh
@@ -1,4 +1,4 @@
-antlr4 -Dlanguage=Python2 NaCl.g4 -visitor -o bin
+#!/bin/bash
 
 TARFILE="nacl_bin.tar.gz"
 tar -zcvf $TARFILE bin