diff --git a/crates/zed/src/languages/markdown/config.toml b/crates/zed/src/languages/markdown/config.toml
index 2fa3ff3cf2..98691a4ef7 100644
--- a/crates/zed/src/languages/markdown/config.toml
+++ b/crates/zed/src/languages/markdown/config.toml
@@ -1,5 +1,6 @@
 name = "Markdown"
 path_suffixes = ["md", "mdx"]
+word_characters = ["-"]
 brackets = [
     { start = "{", end = "}", close = true, newline = true },
     { start = "[", end = "]", close = true, newline = true },