diff --git a/helix-term/src/args.rs b/helix-term/src/args.rs
index 3e50f66f7fd0f..a1fca46525e1b 100644
--- a/helix-term/src/args.rs
+++ b/helix-term/src/args.rs
@@ -7,6 +7,8 @@ pub struct Args {
     pub display_help: bool,
     pub display_version: bool,
     pub load_tutor: bool,
+    pub fetch_grammars: bool,
+    pub build_grammars: bool,
     pub verbosity: u64,
     pub files: Vec<(PathBuf, Position)>,
 }
@@ -25,6 +27,8 @@ impl Args {
                 "--version" => args.display_version = true,
                 "--help" => args.display_help = true,
                 "--tutor" => args.load_tutor = true,
+                "--fetch-grammars" => args.fetch_grammars = true,
+                "--build-grammars" => args.build_grammars = true,
                 arg if arg.starts_with("--") => {
                     return Err(Error::msg(format!(
                         "unexpected double dash argument: {}",
diff --git a/helix-term/src/main.rs b/helix-term/src/main.rs
index 0f504046ff8f5..d5ea63bb66bab 100644
--- a/helix-term/src/main.rs
+++ b/helix-term/src/main.rs
@@ -59,11 +59,13 @@ ARGS:
     <files>...    Sets the input file to use, position can also be specified via file[:row[:col]]
 
 FLAGS:
-    -h, --help       Prints help information
-    --tutor          Loads the tutorial
-    -v               Increases logging verbosity each use for up to 3 times
-                     (default file: {})
-    -V, --version    Prints version information
+    -h, --help        Prints help information
+    --tutor           Loads the tutorial
+    --fetch-grammars  Fetches tree-sitter grammars listed in languages.toml
+    --build-grammars  Builds tree-sitter grammars fetched with --fetch-grammars
+    -v                Increases logging verbosity each use for up to 3 times
+                      (default file: {})
+    -V, --version     Prints version information
 ",
         env!("CARGO_PKG_NAME"),
         env!("VERSION_AND_GIT_HASH"),