Added a space

main.go

@@ -107,7 +107,7 @@ func runCommandsFromFile(filename string, currentDir *string) error {
 		cmd.Dir = *currentDir
 
 		if err := cmd.Run(); err != nil {
-			fmt.Printf("Error detected! Stopping at:%s \n", cmdLine)
+			fmt.Printf("Error detected! Stopping at: %s \n", cmdLine)
 			return err
 		}
 	}