Fix parameter specification for Soy template example

Used parameters need to get defined through `{@param ...}` in current Soy
versions.

Change-Id: I6c1f7d94e542faa42548efc081b0ed299f6f5c13

src/main/resources/Documentation/config-rulebase-common.md

diff --git a/src/main/resources/Documentation/config-rulebase-common.md b/src/main/resources/Documentation/config-rulebase-common.md
index 51048a9..451846b 100644
--- a/src/main/resources/Documentation/config-rulebase-common.md
+++ b/src/main/resources/Documentation/config-rulebase-common.md
@@ -651,12 +651,9 @@
 
 ```
 {namespace etc.its.templates}
-
-/**
- * @param changeNumber
- * @param formatChangeUrl
- */
 {template .TemplateName kind="text"}
+  {@param changeNumber: string}
+  {@param formatChangeUrl: string}
   inline Comment for change {$changeNumber} added. See {$formatChangeUrl}
 {/template}
 ```