fixed a typo in troubleshooting

Author: amaksimovv

docs/on-premise/troubleshooting.en.md

@@ -16,7 +16,7 @@ hide:
 2. Execute the command to copy the log file from the container to the file `codescoring_onprem.log`
 
  ```bash linenums="2"
- docker cp -L PROJECT_NAME_fluentd_1:/fluentd/log/docker.log codescoring_onprem.log
+ docker cp -L PROJECT_NAME-fluentd-1:/fluentd/log/docker.log codescoring_onprem.log
  ```
 
 3. Send the `codescoring_onprem.log` file to the vendor.

docs/on-premise/troubleshooting.md

@@ -15,7 +15,7 @@ hide:
 2. Выполнить команду копирования файла логов из контейнера в файл `codescoring_onprem.log`
 
     ```bash linenums="2"
-    docker cp -L PROJECT_NAME_fluentd_1:/fluentd/log/docker.log codescoring_onprem.log
+    docker cp -L PROJECT_NAME-fluentd-1:/fluentd/log/docker.log codescoring_onprem.log
     ```
 
 3. Отправить вендору файл `codescoring_onprem.log`.