Use consistent signatures

content/en/functions/collections/Append.md

@@ -10,8 +10,8 @@ action:
     - functions/collections/Slice
   returnType: any
   signatures:
-    - COLLECTION | collections.Append ELEMENT [ELEMENT...]
+    - collections.Append ELEMENT [ELEMENT...] COLLECTION
-    - COLLECTION | collections.Append COLLECTION
+    - collections.Append COLLECTION1 COLLECTION2
 aliases: [/functions/append]
 ---
 

content/en/functions/collections/Group.md

@@ -11,7 +11,7 @@ action:
     - functions/collections/IsSet
     - functions/collections/Where
   returnType: any
-  signatures: [PAGES | collections.Group KEY]
+  signatures: [collections.Group KEY PAGES]
 aliases: [/functions/group]
 ---
 

content/en/functions/urls/Ref.md

@@ -10,7 +10,9 @@ action:
     - methods/page/Ref
     - methods/page/RelRef
   returnType: string
-  signatures: [urls.Ref PAGE PATH/OPTIONS]
+  signatures:
+    - urls.Ref PAGE PATH
+    - urls.Ref PAGE OPTIONS
 aliases: [/functions/ref]
 ---
 

content/en/functions/urls/RelRef.md

@@ -10,7 +10,9 @@ action:
     - methods/page/Ref
     - methods/page/RelRef
   returnType: string
-  signatures: [urls.RelRef PAGE PATH/OPTIONS]
+  signatures:
+    - urls.RelRef PAGE PATH
+    - urls.RelRef PAGE OPTIONS
 aliases: [/functions/relref]
 ---
 

content/en/methods/pages/Related.md

@@ -8,7 +8,9 @@ action:
     - methods/page/HeadingsFiltered
     - functions/collections/KeyVals
   returnType: page.Pages
-  signatures: [PAGES.Related PAGE/OPTIONS]
+  signatures:
+    - PAGES.Related PAGE
+    - PAGES.Related OPTIONS
 ---
 
 Based on front matter, Hugo uses several factors to identify content related to the given page. Use the default [related content configuration], or tune the results to the desired indices and parameters. See [details].