browser: use "set-render-mode" instead of "render"

bebop/browser/browser.py

@@ -333,7 +333,7 @@ class Browser:
         elif command == "forget-certificate":
             from bebop.browser.gemini import forget_certificate
             forget_certificate(self, words[1])
-        elif command == "render":
+        elif command == "set-render-mode":
             self.set_render_mode(words[1])
 
     def get_user_text_input(self, status_text, char, prefix="", strip=False):

bebop/help.py

@@ -49,7 +49,8 @@ Commands are mostly for actions requiring user input. You can type a command wit
 * q(uit): well, quit
 * h(ome): open your home page
 * i(nfo): show page informations
-* forget_certificate <hostname>: remove saved fingerprint for this hostname
+* forget-certificate <hostname>: remove saved fingerprint for this hostname
+* set-render-mode: set render mode preference for the current URL
 
 ## Configuration