diff --git a/playground/markdownify_case.py b/playground/markdownify_case.py
index 6e221b9..d4e1a08 100644
--- a/playground/markdownify_case.py
+++ b/playground/markdownify_case.py
@@ -99,7 +99,7 @@
 print("Hello, World!")
 ```
 This is `inline code`
-1. First ordered list item
+1. **First ordered list item**
 2. Another item
     - Unordered sub-list.
     - Another item.
diff --git a/playground/telegramify_case.py b/playground/telegramify_case.py
index 1bb6bc2..074a104 100644
--- a/playground/telegramify_case.py
+++ b/playground/telegramify_case.py
@@ -3,6 +3,7 @@
 import pathlib
 from time import sleep
 
+from aiohttp import ClientSession
 from dotenv import load_dotenv
 from telebot import TeleBot
 
@@ -32,12 +33,15 @@
 
 # Write an async function to send message
 async def send_message():
-    boxs = await telegramify_markdown.telegramify(
-        content=md,
-        interpreters_use=[BaseInterpreter(), MermaidInterpreter()],  # Render mermaid diagram
-        latex_escape=True,
-        max_word_count=4090  # The maximum number of words in a single message.
-    )
+    global_session = ClientSession()
+    async with global_session:
+        boxs = await telegramify_markdown.telegramify(
+            content=md,
+            interpreters_use=[BaseInterpreter(), MermaidInterpreter(session=global_session)],  # Render mermaid diagram
+            latex_escape=True,
+            normalize_whitespace=True,
+            max_word_count=4090  # The maximum number of words in a single message.
+        )
     for item in boxs:
         print("Sent one item")
         sleep(0.2)
diff --git a/src/telegramify_markdown/render.py b/src/telegramify_markdown/render.py
index 5ba3db0..90afd0e 100644
--- a/src/telegramify_markdown/render.py
+++ b/src/telegramify_markdown/render.py
@@ -238,7 +238,9 @@ def render_list_item(
     ) -> Iterable[str]:
         token_origin = str(token.leader).strip()
         if token_origin.endswith("."):
-            token.leader = formatting.escape_markdown(token.leader) + " "
+            if not token.leader.endswith(" "):
+                token.leader += " "
+            token.leader = formatting.escape_markdown(token.leader)
         else:
             token.leader = formatting.escape_markdown("⦁")
         return super().render_list_item(token, max_line_length)