diff --git a/mautrix_telegram/commands/handler.py b/mautrix_telegram/commands/handler.py
index cb39a37b..fe820a56 100644
--- a/mautrix_telegram/commands/handler.py
+++ b/mautrix_telegram/commands/handler.py
@@ -285,15 +285,10 @@ class CommandHandler:
 
 
 def command_handler(_func: Optional[Callable[[CommandEvent], Awaitable[Dict]]] = None, *,
-                    needs_auth: bool = True,
-                    needs_puppeting: bool = True,
-                    needs_matrix_puppeting: bool = False,
-                    needs_admin: bool = False,
-                    management_only: bool = False,
-                    name: Optional[str] = None,
-                    help_text: str = "",
-                    help_args: str = "",
-                    help_section: HelpSection = None,
+                    needs_auth: bool = True, needs_puppeting: bool = True,
+                    needs_matrix_puppeting: bool = False, needs_admin: bool = False,
+                    management_only: bool = False, name: Optional[str] = None,
+                    help_text: str = "", help_args: str = "", help_section: HelpSection = None
                     ) -> Callable[[Callable[[CommandEvent], Awaitable[Optional[Dict]]]],
                                   CommandHandler]:
     def decorator(func: Callable[[CommandEvent], Awaitable[Optional[Dict]]]) -> CommandHandler:
diff --git a/mautrix_telegram/formatter/from_telegram.py b/mautrix_telegram/formatter/from_telegram.py
index 27f264da..2afe7a6e 100644
--- a/mautrix_telegram/formatter/from_telegram.py
+++ b/mautrix_telegram/formatter/from_telegram.py
@@ -44,7 +44,6 @@ try:
 except ImportError:
     htmldiff = None  # type: ignore
 
-
 log = logging.getLogger("mau.fmt.tg")  # type: logging.Logger
 should_highlight_edits = False  # type: bool
 
@@ -258,9 +257,9 @@ def _telegram_entities_to_matrix(text: str, entities: List[TypeMessageEntity]) -
         elif entity_type == MessageEntityItalic:
             html.append(f"<em>{entity_text}</em>")
         elif entity_type == MessageEntityCode:
-            html.append(f"<pre><code>{entity_text}</code></pre>"
-                        if "\n" in entity_text
-                        else f"<code>{entity_text}</code>")
+            html.append(("<pre><code>{entity_text}</code></pre>"
+                         if "\n" in entity_text
+                         else "<code>{entity_text}</code>").format(entity_text=entity_text))
         elif entity_type == MessageEntityPre:
             skip_entity = _parse_pre(html, entity_text, entity.language)
         elif entity_type == MessageEntityMention: