fix copy paste faux pas

Signed-off-by: Nicolas Drebenstedt <[email protected]>

README.md

@@ -99,7 +99,7 @@ components of the MEx project are open-sourced under the same license as well.
 
 - you can run the latest artificial data generator without building it locally
 - just pull it from the container registry and configure using cli arguments
-- `docker run -v $(pwd):/out docker pull ghcr.io/robert-koch-institut/mex-artificial:latest --count=100 --chattiness=10`
+- `docker run -v $(pwd):/out ghcr.io/robert-koch-institut/mex-artificial:latest --count=100 --chattiness=10`
 - use `-v $(pwd):/out` to specify an output directory for the resulting `ndjson` file
 - `--count` controls the number of items to generate
 - `--chattiness` controls the number of words in textual fields