diff --git a/doc/releasenotes/15_0_0_summary.md b/doc/releasenotes/15_0_0_summary.md
index b52735109bb..e6961841bb8 100644
--- a/doc/releasenotes/15_0_0_summary.md
+++ b/doc/releasenotes/15_0_0_summary.md
@@ -107,8 +107,8 @@ use-case. Here are the flags that control this feature
 
 `--compression-engine-name` specifies the engine used for compression. It can have one of the following values
 
-- pgzip (Default)
-- pargzip
+- pargzip (Default)
+- pgzip
 - lz4
 - zstd
 - external
@@ -205,4 +205,4 @@ send semi-sync ACKs. This ensures that any committed write exists in at least 2
 
 #### FORMAT=vtexplain
 
-With this new `explain` format, you can get an output that is very similar to the command line `vtexplain` app, but from a running `vtgate`, through a MySQL query.
\ No newline at end of file
+With this new `explain` format, you can get an output that is very similar to the command line `vtexplain` app, but from a running `vtgate`, through a MySQL query.
diff --git a/go/flags/endtoend/vtctld.txt b/go/flags/endtoend/vtctld.txt
index 5f91cdb8008..f484fda17b1 100644
--- a/go/flags/endtoend/vtctld.txt
+++ b/go/flags/endtoend/vtctld.txt
@@ -21,7 +21,7 @@ Usage of vtctld:
       --catch-sigpipe                                                    catch and ignore SIGPIPE on stdout and stderr if specified
       --cell string                                                      cell to use
       --ceph_backup_storage_config string                                Path to JSON config file for ceph backup storage. (default "ceph_backup_config.json")
-      --compression-engine-name string                                   compressor engine used for compression. (default "pgzip")
+      --compression-engine-name string                                   compressor engine used for compression. (default "pargzip")
       --compression-level int                                            what level to pass to the compressor (default 1)
       --consolidator-stream-query-size int                               Configure the stream consolidator query size in bytes. Setting to 0 disables the stream consolidator. (default 2097152)
       --consolidator-stream-total-size int                               Configure the stream consolidator total size in bytes. Setting to 0 disables the stream consolidator. (default 134217728)
diff --git a/go/flags/endtoend/vtexplain.txt b/go/flags/endtoend/vtexplain.txt
index 86763a92737..3311cb276db 100644
--- a/go/flags/endtoend/vtexplain.txt
+++ b/go/flags/endtoend/vtexplain.txt
@@ -12,7 +12,7 @@ Usage of vtexplain:
       --builtinbackup_mysqld_timeout duration                            how long to wait for mysqld to shutdown at the start of the backup (default 10m0s)
       --builtinbackup_progress duration                                  how often to send progress updates when backing up large files (default 5s)
       --catch-sigpipe                                                    catch and ignore SIGPIPE on stdout and stderr if specified
-      --compression-engine-name string                                   compressor engine used for compression. (default "pgzip")
+      --compression-engine-name string                                   compressor engine used for compression. (default "pargzip")
       --compression-level int                                            what level to pass to the compressor (default 1)
       --consolidator-stream-query-size int                               Configure the stream consolidator query size in bytes. Setting to 0 disables the stream consolidator. (default 2097152)
       --consolidator-stream-total-size int                               Configure the stream consolidator total size in bytes. Setting to 0 disables the stream consolidator. (default 134217728)
diff --git a/go/flags/endtoend/vttablet.txt b/go/flags/endtoend/vttablet.txt
index 658682624a5..7c21b9ca17c 100644
--- a/go/flags/endtoend/vttablet.txt
+++ b/go/flags/endtoend/vttablet.txt
@@ -31,7 +31,7 @@ Usage of vttablet:
       --builtinbackup_progress duration                                  how often to send progress updates when backing up large files (default 5s)
       --catch-sigpipe                                                    catch and ignore SIGPIPE on stdout and stderr if specified
       --ceph_backup_storage_config string                                Path to JSON config file for ceph backup storage. (default "ceph_backup_config.json")
-      --compression-engine-name string                                   compressor engine used for compression. (default "pgzip")
+      --compression-engine-name string                                   compressor engine used for compression. (default "pargzip")
       --compression-level int                                            what level to pass to the compressor (default 1)
       --consolidator-stream-query-size int                               Configure the stream consolidator query size in bytes. Setting to 0 disables the stream consolidator. (default 2097152)
       --consolidator-stream-total-size int                               Configure the stream consolidator total size in bytes. Setting to 0 disables the stream consolidator. (default 134217728)
diff --git a/go/vt/mysqlctl/compression.go b/go/vt/mysqlctl/compression.go
index f56506b0cf5..fb4ce3eef66 100644
--- a/go/vt/mysqlctl/compression.go
+++ b/go/vt/mysqlctl/compression.go
@@ -46,7 +46,7 @@ const (
 var (
 	compressionLevel = flag.Int("compression-level", 1, "what level to pass to the compressor")
 	// switch which compressor/decompressor to use
-	CompressionEngineName = flag.String("compression-engine-name", "pgzip", "compressor engine used for compression.")
+	CompressionEngineName = flag.String("compression-engine-name", "pargzip", "compressor engine used for compression.")
 	// use and external command to decompress the backups
 	ExternalCompressorCmd   = flag.String("external-compressor", "", "command with arguments to use when compressing a backup")
 	ExternalCompressorExt   = flag.String("external-compressor-extension", "", "extension to use when using an external compressor")