diff --git a/plugin/README.md b/plugin/README.md
index 108ef784f..69ed8ef08 100755
--- a/plugin/README.md
+++ b/plugin/README.md
@@ -550,7 +550,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "my_object": {
     "field": {
@@ -562,11 +562,11 @@ Input event:
 
 Output event:
 
-```json
+```
 {
   "my_object": {
     "field": {
-      "new_sub_field":"value"  // renamed
+      "new_sub_field":"value"  # renamed
     }
   }
 }
@@ -587,7 +587,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "_HOSTNAME": "example-host",
   "__REALTIME_TIMESTAMP": "1739797379239590"
@@ -596,10 +596,10 @@ Input event:
 
 Output event:
 
-```json
+```
 {
-  "host": "example-host",  // renamed
-  "ts": "1739797379239590"  // renamed
+  "host": "example-host",   # renamed
+  "ts": "1739797379239590"  # renamed
 }
 ```
 
diff --git a/plugin/action/README.md b/plugin/action/README.md
index ebed76862..716f33de9 100755
--- a/plugin/action/README.md
+++ b/plugin/action/README.md
@@ -393,7 +393,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "my_object": {
     "field": {
@@ -405,11 +405,11 @@ Input event:
 
 Output event:
 
-```json
+```
 {
   "my_object": {
     "field": {
-      "new_sub_field":"value"  // renamed
+      "new_sub_field":"value"  # renamed
     }
   }
 }
@@ -430,7 +430,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "_HOSTNAME": "example-host",
   "__REALTIME_TIMESTAMP": "1739797379239590"
@@ -439,10 +439,10 @@ Input event:
 
 Output event:
 
-```json
+```
 {
-  "host": "example-host",  // renamed
-  "ts": "1739797379239590"  // renamed
+  "host": "example-host",   # renamed
+  "ts": "1739797379239590"  # renamed
 }
 ```
 
diff --git a/plugin/action/rename/README.md b/plugin/action/rename/README.md
index 860d8a9c2..7f3aad8fd 100755
--- a/plugin/action/rename/README.md
+++ b/plugin/action/rename/README.md
@@ -22,7 +22,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "my_object": {
     "field": {
@@ -34,11 +34,11 @@ Input event:
 
 Output event:
 
-```json
+```
 {
   "my_object": {
     "field": {
-      "new_sub_field":"value"  // renamed
+      "new_sub_field":"value"  # renamed
     }
   }
 }
@@ -59,7 +59,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "_HOSTNAME": "example-host",
   "__REALTIME_TIMESTAMP": "1739797379239590"
@@ -68,10 +68,10 @@ Input event:
 
 Output event:
 
-```json
+```
 {
-  "host": "example-host",  // renamed
-  "ts": "1739797379239590"  // renamed
+  "host": "example-host",   # renamed
+  "ts": "1739797379239590"  # renamed
 }
 ```
 
diff --git a/plugin/action/rename/rename.go b/plugin/action/rename/rename.go
index e643ef809..349aeaca6 100644
--- a/plugin/action/rename/rename.go
+++ b/plugin/action/rename/rename.go
@@ -30,7 +30,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "my_object": {
     "field": {
@@ -42,11 +42,11 @@ Input event:
 
 Output event:
 
-```json
+```
 {
   "my_object": {
     "field": {
-      "new_sub_field":"value"  // renamed
+      "new_sub_field":"value"  # renamed
     }
   }
 }
@@ -67,7 +67,7 @@ pipelines:
 
 Input event:
 
-```json
+```
 {
   "_HOSTNAME": "example-host",
   "__REALTIME_TIMESTAMP": "1739797379239590"
@@ -76,10 +76,10 @@ Input event:
 
 Output event:
 
-```json
+```
 {
-  "host": "example-host",  // renamed
-  "ts": "1739797379239590"  // renamed
+  "host": "example-host",   # renamed
+  "ts": "1739797379239590"  # renamed
 }
 ```
 }*/