doc/lsp.txt | 5 +++++

diff --git a/doc/lsp.txt b/doc/lsp.txt
index affcd3ea4956f1255acc46df7d73990254c6fac1..d45207cb5d5bc0a7067c333b80e67cde5a1953c5 100644
--- a/doc/lsp.txt
+++ b/doc/lsp.txt
@@ -660,6 +660,11 @@ 			If set to 0 the entire buffer is processed without
 			regard to timeout.
 			By default this is set to 100 ms.
 
+						*lsp-opt-filterCompletionDuplicates*
+filterCompletionDuplicates |Boolean| option. If enabled, duplicate completion 
+			items sent from the server will be filtered to only
+			include one instance of the duplicates. 
+
 For example, to disable the automatic placement of signs for the LSP
 diagnostic messages, you can add the following line to your .vimrc file: >