Merge changes I670a2bba,I0b36ba63

* changes:
  Replace enable_context with enable-context in docs
  Set path to null after filling the comment context
diff --git a/Documentation/rest-api-changes.txt b/Documentation/rest-api-changes.txt
index d897210..3f0c751 100644
--- a/Documentation/rest-api-changes.txt
+++ b/Documentation/rest-api-changes.txt
@@ -2052,7 +2052,7 @@
 comments for each path are sorted by patch set number. Each comment has
 the `patch_set` and `author` fields set.
 
-If the `enable_context` request parameter is set to true, the comment entries
+If the `enable-context` request parameter is set to true, the comment entries
 will contain a list of link:#context-line[ContextLine] containing the lines of
 the source file where the comment was written.
 
@@ -6699,7 +6699,7 @@
 this comment applies.
 |`context_lines` |optional|
 A list of link:#context-line[ContextLine] containing the lines of the source
-file where the comment was written. Available only if the "enable_context"
+file where the comment was written. Available only if the "enable-context"
 parameter (see link:#list-change-comments[List Change Comments]) is set.
 
 |===========================
diff --git a/java/com/google/gerrit/server/restapi/change/CommentJson.java b/java/com/google/gerrit/server/restapi/change/CommentJson.java
index cc8ad47..02f39ab 100644
--- a/java/com/google/gerrit/server/restapi/change/CommentJson.java
+++ b/java/com/google/gerrit/server/restapi/change/CommentJson.java
@@ -123,7 +123,6 @@
           list = new ArrayList<>();
           out.put(o.path, list);
         }
-        o.path = null;
         list.add(o);
       }
 
@@ -133,10 +132,11 @@
         loader.fill();
       }
 
+      List<T> allComments = out.values().stream().flatMap(Collection::stream).collect(toList());
       if (fillCommentContext) {
-        List<T> allComments = out.values().stream().flatMap(Collection::stream).collect(toList());
         addCommentContext(allComments);
       }
+      allComments.forEach(c -> c.path = null); // we don't need path since it exists in the map keys
       return out;
     }