diff --git a/languages.toml b/languages.toml
index 521dcd26d..1b3b3c67a 100644
--- a/languages.toml
+++ b/languages.toml
@@ -2029,7 +2029,7 @@ scope = "source.r"
 injection-regex = "(r|R)"
 file-types = ["r", "R", { glob = ".Rprofile" }, { glob = "Rprofile.site" }, { glob = ".RHistory" }]
 shebangs = ["r", "R"]
-comment-token = "#"
+comment-tokens = ["#", "#'"]
 indent = { tab-width = 2, unit = "  " }
 language-servers = [ "r" ]