diff --git a/doc/features/filter.txt b/doc/features/filter.txt
index 40d23fae..6a405061 100644
--- a/doc/features/filter.txt
+++ b/doc/features/filter.txt
@@ -50,7 +50,7 @@ The process for loading filters is as follows:
 1. The Hyperscan database is serialized using hs_serialize_database().
 2. A 'SETFILTER NEW' command is sent.
 3. The serialized data is split into chunks and base64 encoded. 
-   The chunk size need to be chosen to ensure that the resuliting
+   The chunk size needs to be chosen to ensure that the resuliting
    strings are short enough to fit into a 510 byte IRC line, taking 
    into account space needed for the 'SETFILTER +' command, check field, 
    server mask, and base64 overhead.