Fix support input files with non pdf extension (#271)

gui/src/main/java/org/verapdf/cli/commands/VeraCliArgParser.java

@@ -87,7 +87,7 @@ public class VeraCliArgParser {
 	final static String FIX_METADATA = OPTION_SEP + "fixmetadata"; //$NON-NLS-1$
 	final static String FIX_METADATA_PREFIX = OPTION_SEP + "prefix"; //$NON-NLS-1$
 	final static String FIX_METADATA_FOLDER = OPTION_SEP + "savefolder"; //$NON-NLS-1$
-	final static String NON_PDF_EXTENSION = FLAG_SEP + "nonpdfext";
+	final static String NON_PDF_EXTENSION = OPTION_SEP + "nonpdfext";
 	final static String POLICY_FILE = OPTION_SEP + "policyfile"; //$NON-NLS-1$
 	// final static String PROFILES_WIKI_FLAG = FLAG_SEP + "pw";
 	// final static String LOAD_CONFIG_FLAG = FLAG_SEP + "c";
@@ -155,7 +155,7 @@ public class VeraCliArgParser {
 	@Parameter(names = { FIX_METADATA_FOLDER }, description = "Sets output directory for any fixed files.")
 	private String saveFolder = ""; //$NON-NLS-1$
 
-	@Parameter(names = { NON_PDF_EXTENSION }, description = "Add descryption")
+	@Parameter(names = { NON_PDF_EXTENSION }, description = "Select files without .pdf extension")
 	private Boolean nonPdfExt = false;
 
 	@Parameter(names = {