diff --git a/examples/trpo/README.md b/examples/trpo/README.md
index 73c259043..019a4e236 100644
--- a/examples/trpo/README.md
+++ b/examples/trpo/README.md
@@ -25,7 +25,7 @@ Run this code to start an experiment.
 ```
 git clone https://github.com/joschu/modular_rl
 cd modular_rl
-export KERAS_BACKEND=theano && ./run_pg.py --env Pong-ram-v0 --agent modular_rl.agentzoo.TrpoAgent --video 0 --n_iter 500 --filter 0
+export KERAS_BACKEND=theano && ./run_pg.py --env Pong-ram-v0 --agent modular_rl.agentzoo.TrpoAgent --video 0 --n_iter 500 --filter 1
 ```
 
 **Note: On some versions of Mac OS X, this produces NaNs.**