diff --git a/src/diffusers/models/attention.py b/src/diffusers/models/attention.py
index 60f0c8bf..6f813733 100644
--- a/src/diffusers/models/attention.py
+++ b/src/diffusers/models/attention.py
@@ -297,8 +297,8 @@ class AttentionBlock(nn.Module):
                 )
             elif not torch.cuda.is_available():
                 raise ValueError(
-                    "torch.cuda.is_available() should be True but is False. xformers' memory efficient attention is only"
-                    " available for GPU "
+                    "torch.cuda.is_available() should be True but is False. xformers' memory efficient attention is"
+                    " only available for GPU "
                 )
             else:
                 try:
@@ -461,8 +461,8 @@ class BasicTransformerBlock(nn.Module):
                 )
             elif not torch.cuda.is_available():
                 raise ValueError(
-                    "torch.cuda.is_available() should be True but is False. xformers' memory efficient attention is only"
-                    " available for GPU "
+                    "torch.cuda.is_available() should be True but is False. xformers' memory efficient attention is"
+                    " only available for GPU "
                 )
             else:
                 try: