diff --git a/docs/docs/configuration.md b/docs/docs/configuration.md
index 3a68349..69e82e9 100644
--- a/docs/docs/configuration.md
+++ b/docs/docs/configuration.md
@@ -56,7 +56,7 @@ The config file can be overriden/defined through env vars.
 GILT_GILTFILE=Giltfile.yaml \
 GILT_GILTDIR=~/.gilt/clone \
 GILT_DEBUG=false \
-GILT_PARALLEL=0 \
+GILT_PARALLEL=false \
 gilt overlay
 ```