[ELI5] Tweak wording on the signup screen (#7136)

* Tweak signup wordings

* Update translations

src/locale/locales/gl/messages.po

@@ -3896,7 +3896,7 @@ msgstr "Introduce o teu contrasinal"
 #~ msgstr "Introduce o teu proveedor de aloxamento preferido"
 
 #: src/screens/Signup/StepHandle.tsx:114
-msgid "Input your user handle"
+msgid "Type your desired username"
 msgstr "Introduce o teu alcume"
 
 #: src/view/com/composer/threadgate/ThreadgateBtn.tsx:49
@@ -9523,7 +9523,7 @@ msgid "Your following feed is empty! Follow more users to see what's happening."
 msgstr "A seguinte canle está baleira! Sigue a máis persoas para ver o que está a acontecer."
 
 #: src/screens/Signup/StepHandle.tsx:125
-msgid "Your full handle will be"
+msgid "Your full username will be"
 msgstr "O teu alcume completo será"
 
 #: src/screens/Settings/components/ChangeHandleDialog.tsx:219
@@ -9567,5 +9567,5 @@ msgid "Your report will be sent to the Bluesky Moderation Service"
 msgstr "O teu informe enviarase ao Servizo de moderación de Bluesky"
 
 #: src/screens/Signup/index.tsx:142
-msgid "Your user handle"
+msgid "Choose your username"
 msgstr "O teu alcume"