diff --git a/docs/index.asciidoc b/docs/index.asciidoc
index 43ab04a..a32bf0a 100644
--- a/docs/index.asciidoc
+++ b/docs/index.asciidoc
@@ -339,7 +339,7 @@ The size of the TCP send buffer to use when sending data.
   * Value type is <<string,string>>
   * Default value is `"https"`
 
-The endpoint identification algorithm, defaults to "https". Set to empty string "" to disable
+The endpoint identification algorithm, defaults to `"https"`. Set to empty string `""` to disable
 
 [id="plugins-{type}s-{plugin}-ssl_key_password"]
 ===== `ssl_key_password`