fix spell checking

src/main/java/org/cosyverif/service/adt2amas/MinimalScheduling.java

@@ -58,7 +58,7 @@ public class MinimalScheduling extends BinaryService {
     @Parameter(name = "Scheduling Table", help = "Formatted table with the minimal scheduling", direction = Direction.OUT, contenttype = "plain/text")
     private File outputTables = null;
 
-    @Parameter(name = "Outputs files", help = "Compress file containing all the generated files", direction = Direction.OUT, contenttype = "application/zip")
+    @Parameter(name = "Output files", help = "Compress file containing all the generated files", direction = Direction.OUT, contenttype = "application/zip")
     private File outputZip = null;
 
     @Launch