diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index ff8712423..d036f3c03 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -390,8 +390,10 @@ class Coder:
             self.linter.set_linter(lang, cmd)
 
     def show_announcements(self):
+        bold = True
         for line in self.get_announcements():
-            self.io.tool_output(line)
+            self.io.tool_output(line, bold=bold)
+            bold = False
 
     def find_common_root(self):
         if len(self.abs_fnames) == 1:
diff --git a/aider/io.py b/aider/io.py
index bb8041fe4..7f759362f 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -15,6 +15,7 @@ from pygments.lexers import MarkdownLexer, guess_lexer_for_filename
 from pygments.token import Token
 from pygments.util import ClassNotFound
 from rich.console import Console
+from rich.style import Style as RichStyle
 from rich.text import Text
 
 from .dump import dump  # noqa: F401
@@ -402,7 +403,7 @@ class InputOutput:
         style = dict(style=self.tool_error_color) if self.tool_error_color else dict()
         self.console.print(message, **style)
 
-    def tool_output(self, *messages, log_only=False):
+    def tool_output(self, *messages, log_only=False, bold=False):
         if messages:
             hist = " ".join(messages)
             hist = f"{hist.strip()}"
@@ -410,8 +411,10 @@ class InputOutput:
 
         if not log_only:
             messages = list(map(Text, messages))
-            style = dict(style=self.tool_output_color) if self.tool_output_color else dict()
-            self.console.print(*messages, **style)
+            style = dict(color=self.tool_output_color) if self.tool_output_color else dict()
+            style["reverse"] = bold
+            style = RichStyle(**style)
+            self.console.print(*messages, style=style)
 
     def append_chat_history(self, text, linebreak=False, blockquote=False, strip=True):
         if blockquote:
diff --git a/aider/repo.py b/aider/repo.py
index ab98bc081..f17ae101b 100644
--- a/aider/repo.py
+++ b/aider/repo.py
@@ -130,7 +130,7 @@ class GitRepo:
 
         self.repo.git.commit(cmd)
         commit_hash = self.repo.head.commit.hexsha[:7]
-        self.io.tool_output(f"Commit {commit_hash} {commit_message}")
+        self.io.tool_output(f"Commit {commit_hash} {commit_message}", bold=True)
 
         # Restore the env