diff --git a/ts.nanorc b/ts.nanorc
index 2ae3ca8..bab8652 100644
--- a/ts.nanorc
+++ b/ts.nanorc
@@ -11,11 +11,11 @@ color yellow "\<[-+]?([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([EePp][+-]?[0-9]+)?[fFlL]?"
 color yellow "\<[-+]?([0-9]+[EePp][+-]?[0-9]+)[fFlL]?"
 
 ## Keywords
-color green "\<(as|abstract|boolean|break|byte|case|catch)\>"
+color green "\<(as|abstract|asserts|boolean|break|byte|case|catch)\>"
 color green "\<(class|const|continue|debugger|default|delete|readonly)\>"
 color green "\<(do|else|enum|export|extends|finally|final|for)\>"
 color green "\<(from|function|goto|if|implements|import|instanceof)\>"
-color green "\<(var|interface|int|in|infer|let|new|package|private)\>"
+color green "\<(var|interface|int|in|is|infer|let|new|package|private)\>"
 color green "\<(protected|public|return|static|super|switch)\>"
 color green "\<(this|throw|try|typeof|type)\>"
 color green "\<(void|while|with|yield)\>"