qvm-template: Improve help message for --upgrades

doc/manpages/qvm-template.rst

@@ -208,7 +208,7 @@ Options
 
 .. option:: --upgrades
 
-   Show upgradable templates.
+   Show available upgrades.
 
 .. option:: --machine-readable
 
@@ -296,7 +296,7 @@ Options
 
 .. option:: --upgrades
 
-   Show upgradable templates.
+   Show available upgrades.
 
 .. option:: --machine-readable
 

qubesadmin/tools/qvm_template.py

@@ -142,7 +142,7 @@ def parser_gen() -> argparse.ArgumentParser:
             help=('Show extras (e.g., ones that exist'
                 ' locally but not in repos) templates.'))
         parser_x.add_argument('--upgrades', action='store_true',
-            help='Show upgradable templates.')
+            help='Show available upgrades.')
         readable = parser_x.add_mutually_exclusive_group()
         readable.add_argument('--machine-readable', action='store_true',
             help='Enable machine-readable output.')