diff --git a/httpx/middleware.py b/httpx/middleware.py
index b1aeb216..b14037d4 100644
--- a/httpx/middleware.py
+++ b/httpx/middleware.py
@@ -151,7 +151,7 @@ class RedirectMiddleware(BaseMiddleware):
             del headers["Host"]
 
         if method != request.method and method == "GET":
-            #  Strip Content-Length headers when we've switch to a 'GET' request.
+            # Strip Content-Length headers when we've switch to a 'GET' request.
             del headers["Content-Length"]
 
         return headers