diff --git a/docs/install-docker.md b/docs/install-docker.md
index 801251fb..f7265c3c 100644
--- a/docs/install-docker.md
+++ b/docs/install-docker.md
@@ -58,7 +58,7 @@ displaying raw data and validation results on top of the OSM map.
 Run this command for start processing data from 2 days ago:
 
 ```sh
-docker exec -w /code/build underpass ./underpass -t $(date +%Y-%m-%dT%H:%M:%S -d "2 days ago")'`
+docker exec -w /code/build underpass ./underpass -t $(date +%Y-%m-%dT%H:%M:%S -d "2 days ago")
 ```
 
 On MacOS, the date command is different: