diff --git a/cmd/thanos/tools_bucket.go b/cmd/thanos/tools_bucket.go
index 6bbd441888..816393141e 100644
--- a/cmd/thanos/tools_bucket.go
+++ b/cmd/thanos/tools_bucket.go
@@ -285,7 +285,7 @@ func registerBucketInspect(app extkingpin.AppClause, objStoreConfig *extflag.Pat
 		Default("FROM", "UNTIL").Enums(inspectColumns...)
 	timeout := cmd.Flag("timeout", "Timeout to download metadata from remote storage").Default("5m").Duration()
 
-	output := cmd.Flag("output", "Output format for result. Currently supports table, cvs, and, tsv.").Default("table").Enum(outputTypes...)
+	output := cmd.Flag("output", "Output format for result. Currently supports table, cvs, tsv.").Default("table").Enum(outputTypes...)
 
 	cmd.Setup(func(g *run.Group, logger log.Logger, reg *prometheus.Registry, _ opentracing.Tracer, _ <-chan struct{}, _ bool) error {
 
diff --git a/docs/components/tools.md b/docs/components/tools.md
index b6a28a22ec..2b0fe04311 100644
--- a/docs/components/tools.md
+++ b/docs/components/tools.md
@@ -431,8 +431,8 @@ Flags:
                              Path to YAML file that contains object store
                              configuration. See format details:
                              https://thanos.io/tip/thanos/storage.md/#configuration
-      --output="table"       Output format for result. Currently supports table,
-                             cvs, and, tsv.
+      --output=table         Output format for result. Currently supports table,
+                             cvs, tsv.
   -l, --selector=<name>=\"<value>\" ...
                              Selects blocks based on label, e.g. '-l
                              key1=\"value1\" -l key2=\"value2\"'. All key value