diff --git a/engine/admin/logging/json-file.md b/engine/admin/logging/json-file.md
index 76dc9b75dc..2ee826ae1e 100644
--- a/engine/admin/logging/json-file.md
+++ b/engine/admin/logging/json-file.md
@@ -40,7 +40,7 @@ You can set the logging driver for a specific container by using the
 
 ```bash
 $ docker run \
-      -–log-driver json-file --log-opt max-size=10m \
+      --log-driver json-file --log-opt max-size=10m \
       alpine echo hello world
 ```