1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/re.py b/Lib/re.py
index 788fa6bd78..dde8901c62 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -286,7 +286,7 @@ def _compile(pattern, flags):
     if isinstance(pattern, _pattern_type):
         if flags:
             raise ValueError(
-                "Cannot process flags argument with a compiled pattern")
+                "cannot process flags argument with a compiled pattern")
         return pattern
     if not sre_compile.isstring(pattern):
         raise TypeError("first argument must be string or compiled pattern")