The documentation of lineinfile now makes reference to blockinfile (#3639)

lib/ansible/modules/files/lineinfile.py

@@ -38,8 +38,8 @@ description:
   - This module will search a file for a line, and ensure that it is present or absent.
   - This is primarily useful when you want to change a single line in
     a file only. See the M(replace) module if you want to change
-    multiple, similar lines; for other cases, see the M(copy) or
-    M(template) modules.
+    multiple, similar lines or check M(blockinfile) if you want to insert/update/remove a block of lines in a file.
+    For other cases, see the M(copy) or M(template) modules.
 version_added: "0.7"
 options:
   dest: