diff --git a/docs/configuration/backends/consulcatalog.md b/docs/configuration/backends/consulcatalog.md
index 4712bc6e1..a14acf13b 100644
--- a/docs/configuration/backends/consulcatalog.md
+++ b/docs/configuration/backends/consulcatalog.md
@@ -73,7 +73,7 @@ prefix = "traefik"
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 ```
 
 This backend will create routes matching on hostname based on the service name used in Consul.
diff --git a/docs/configuration/backends/docker.md b/docs/configuration/backends/docker.md
index eeba988a5..58ae2fe21 100644
--- a/docs/configuration/backends/docker.md
+++ b/docs/configuration/backends/docker.md
@@ -46,7 +46,7 @@ watch = true
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 
 # Expose containers by default in Traefik.
 # If set to false, containers that don't have `traefik.enable=true` will be ignored.
@@ -139,7 +139,7 @@ swarmMode = true
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 
 # Expose services by default in Traefik.
 #
diff --git a/docs/configuration/backends/ecs.md b/docs/configuration/backends/ecs.md
index 12c718892..890f3df25 100644
--- a/docs/configuration/backends/ecs.md
+++ b/docs/configuration/backends/ecs.md
@@ -92,7 +92,7 @@ secretAccessKey = "123"
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 ```
 
 If `accessKeyID`/`secretAccessKey` is not given credentials will be resolved in the following order:
diff --git a/docs/configuration/backends/marathon.md b/docs/configuration/backends/marathon.md
index ac84293d3..4d46dafe7 100644
--- a/docs/configuration/backends/marathon.md
+++ b/docs/configuration/backends/marathon.md
@@ -52,7 +52,7 @@ domain = "marathon.localhost"
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 
 # Expose Marathon apps by default in Traefik.
 #
diff --git a/docs/configuration/backends/mesos.md b/docs/configuration/backends/mesos.md
index eef67246b..063aaaacd 100644
--- a/docs/configuration/backends/mesos.md
+++ b/docs/configuration/backends/mesos.md
@@ -55,7 +55,7 @@ domain = "mesos.localhost"
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 
 # TLS client configuration. https://golang.org/pkg/crypto/tls/#Config
 #
diff --git a/docs/configuration/backends/rancher.md b/docs/configuration/backends/rancher.md
index 2cec99c26..2382bcae0 100644
--- a/docs/configuration/backends/rancher.md
+++ b/docs/configuration/backends/rancher.md
@@ -61,7 +61,7 @@ enableServiceHealthFilter = true
 # - "1": previous template version (must be used only with older custom templates, see "filename")
 # - "2": current template version (must be used to force template version when "filename" is used)
 #
-# templateVersion = "2"
+# templateVersion = 2
 ```
 
 To enable constraints see [backend-specific constraints section](/configuration/commons/#backend-specific).