diff --git a/backend/qingstor/qingstor.go b/backend/qingstor/qingstor.go
index 73f277362..501c727ee 100644
--- a/backend/qingstor/qingstor.go
+++ b/backend/qingstor/qingstor.go
@@ -93,7 +93,7 @@ as multipart uploads using this chunk size.
 Note that "--qingstor-upload-concurrency" chunks of this size are buffered
 in memory per transfer.
 
-If you are transferring large files over high speed links and you have
+If you are transferring large files over high-speed links and you have
 enough memory, then increasing this will speed up the transfers.`,
 			Default:  minChunkSize,
 			Advanced: true,
@@ -107,7 +107,7 @@ concurrently.
 NB if you set this to > 1 then the checksums of multipart uploads
 become corrupted (the uploads themselves are not corrupted though).
 
-If you are uploading small numbers of large file over high speed link
+If you are uploading small numbers of large file over high-speed link
 and these uploads do not fully utilize your bandwidth, then increasing
 this may help to speed up the transfers.`,
 			Default:  1,
diff --git a/backend/s3/s3.go b/backend/s3/s3.go
index 183a721a4..b1c05d158 100644
--- a/backend/s3/s3.go
+++ b/backend/s3/s3.go
@@ -1023,7 +1023,7 @@ using this chunk size.
 Note that "--s3-upload-concurrency" chunks of this size are buffered
 in memory per transfer.
 
-If you are transferring large files over high speed links and you have
+If you are transferring large files over high-speed links and you have
 enough memory, then increasing this will speed up the transfers.
 
 Rclone will automatically increase the chunk size when uploading a
@@ -1107,7 +1107,7 @@ If empty it will default to the environment variable "AWS_PROFILE" or
 This is the number of chunks of the same file that are uploaded
 concurrently.
 
-If you are uploading small numbers of large file over high speed link
+If you are uploading small numbers of large file over high-speed link
 and these uploads do not fully utilize your bandwidth, then increasing
 this may help to speed up the transfers.`,
 			Default:  4,
diff --git a/docs/content/qingstor.md b/docs/content/qingstor.md
index f35dc15bc..e0e6e1eef 100644
--- a/docs/content/qingstor.md
+++ b/docs/content/qingstor.md
@@ -244,7 +244,7 @@ as multipart uploads using this chunk size.
 Note that "--qingstor-upload-concurrency" chunks of this size are buffered
 in memory per transfer.
 
-If you are transferring large files over high speed links and you have
+If you are transferring large files over high-speed links and you have
 enough memory, then increasing this will speed up the transfers.
 
 - Config:      chunk_size
@@ -262,7 +262,7 @@ concurrently.
 NB if you set this to > 1 then the checksums of multipart uploads
 become corrupted (the uploads themselves are not corrupted though).
 
-If you are uploading small numbers of large file over high speed link
+If you are uploading small numbers of large file over high-speed link
 and these uploads do not fully utilize your bandwidth, then increasing
 this may help to speed up the transfers.
 
diff --git a/docs/content/s3.md b/docs/content/s3.md
index ccfad86a6..cba5ada88 100644
--- a/docs/content/s3.md
+++ b/docs/content/s3.md
@@ -1213,7 +1213,7 @@ using this chunk size.
 Note that "--s3-upload-concurrency" chunks of this size are buffered
 in memory per transfer.
 
-If you are transferring large files over high speed links and you have
+If you are transferring large files over high-speed links and you have
 enough memory, then increasing this will speed up the transfers.
 
 Rclone will automatically increase the chunk size when uploading a
@@ -1328,7 +1328,7 @@ Concurrency for multipart uploads.
 This is the number of chunks of the same file that are uploaded
 concurrently.
 
-If you are uploading small numbers of large file over high speed link
+If you are uploading small numbers of large file over high-speed link
 and these uploads do not fully utilize your bandwidth, then increasing
 this may help to speed up the transfers.