diff --git a/crates/languages/src/css/config.toml b/crates/languages/src/css/config.toml
index 143ee5690a..e22abe6d70 100644
--- a/crates/languages/src/css/config.toml
+++ b/crates/languages/src/css/config.toml
@@ -9,5 +9,6 @@ brackets = [
     { start = "\"", end = "\"", close = true, newline = false, not_in = ["string", "comment"] },
     { start = "'", end = "'", close = true, newline = false, not_in = ["string", "comment"] },
 ]
+word_characters = ["-"]
 block_comment = ["/* ", " */"]
 prettier_parser_name = "css"
diff --git a/crates/languages/src/javascript/config.toml b/crates/languages/src/javascript/config.toml
index 5cb02a2523..460ee0e0fd 100644
--- a/crates/languages/src/javascript/config.toml
+++ b/crates/languages/src/javascript/config.toml
@@ -25,4 +25,5 @@ block_comment = ["{/* ", " */}"]
 opt_into_language_servers = ["emmet-language-server"]
 
 [overrides.string]
+word_characters = ["-"]
 opt_into_language_servers = ["tailwindcss-language-server"]
diff --git a/crates/languages/src/markdown/config.toml b/crates/languages/src/markdown/config.toml
index c9562da568..6b518ec8b6 100644
--- a/crates/languages/src/markdown/config.toml
+++ b/crates/languages/src/markdown/config.toml
@@ -1,6 +1,7 @@
 name = "Markdown"
 grammar = "markdown"
 path_suffixes = ["md", "mdx", "mdwn", "markdown"]
+word_characters = ["-"]
 brackets = [
     { start = "{", end = "}", close = true, newline = true },
     { start = "[", end = "]", close = true, newline = true },
diff --git a/crates/languages/src/tsx/config.toml b/crates/languages/src/tsx/config.toml
index e173fcbc82..3cd377ce0b 100644
--- a/crates/languages/src/tsx/config.toml
+++ b/crates/languages/src/tsx/config.toml
@@ -24,4 +24,5 @@ block_comment = ["{/* ", " */}"]
 opt_into_language_servers = ["emmet-language-server"]
 
 [overrides.string]
+word_characters = ["-"]
 opt_into_language_servers = ["tailwindcss-language-server"]