README.md

@@ -39,7 +39,7 @@ SSH Manager (sshm) is a bash script that simplifies and automates the management
 3. Move the script to a directory in your PATH, for example:
 
    ```bash
-   sudo mv sshm.bash /usr/local/bin/sshm
+   sudo mv sshm /usr/local/bin/
    ```
 
 ## Usage
@@ -173,4 +173,4 @@ This project is licensed under the Apache License 2.0. See the [LICENSE](LICENSE
 
 ## Contributing
 
-Contributions are welcome! Please open an issue or submit a pull request.
+Contributions are welcome! Please open an issue or submit a pull request.

sshm.bash

@@ -81,7 +81,7 @@ ssh_manager_connect() {
   if [[ "$host" =~ ^[0-9]+$ ]]; then
     local host_name
     host_name=$(grep -E '^Host ' "$config_file" | awk '{print $2}' | grep -v '^#' | sed -n "${host}p")
-    if [[ -n "$host_name" ]]; then
+    if [ -n "$host_name" ]]; then
       ssh -F "$config_file" "$host_name"
     else
       echo "Invalid number." 1>&2