diff --git a/src/commands.cc b/src/commands.cc
index c62f42a5..7567f157 100644
--- a/src/commands.cc
+++ b/src/commands.cc
@@ -962,7 +962,7 @@ const CommandDesc arrange_buffers_cmd = {
 const CommandDesc add_highlighter_cmd = {
     "add-highlighter",
     "addhl",
-    "add-highlighter <path>/<name> <type> <type params>...: add an highlighter to the group identified by <path>\n"
+    "add-highlighter <path>/<name> <type> <type params>...: add a highlighter to the group identified by <path>\n"
     "    <path> is a '/' delimited path or the parent highlighter, starting with either\n"
     "   'global', 'buffer', 'window' or 'shared', if <name> is empty, it will be autogenerated",
     ParameterDesc{