Update UserGuide.md

docs/UserGuide.md

@@ -8,7 +8,7 @@ Welcome to the FITNUS UserGuide! We're glad you're here and if you have any ques
 
 Please follows the steps below to start your Fitnus journey.
 
-In the terminal, make sure that you are in the same directory (location) as the jar file is, and o+xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx run java - jar JAR_FILE_NAME where
+In the terminal, make sure that you are in the same directory (location) as the jar file is, and o+xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx run java -jar JAR_FILE_NAME where
 
 1. Ensure that you have Java 11 or above installed.
 2. Down the latest version of `FITNUS` from [here](https://github.com/AY2324S1-CS2113-F11-1/tp/releases).