diff --git a/corpus/common_invocations.txt b/corpus/common_invocations.txt
index 7322000..147e4c9 100644
--- a/corpus/common_invocations.txt
+++ b/corpus/common_invocations.txt
@@ -38,7 +38,7 @@ message(
 (source_file
   (command_invocation
     (identifier)
-    (seperation 
+    (seperation
       (line_ending (newline))
     )
   )
@@ -56,7 +56,7 @@ message(STATUS)
   (command_invocation
     (identifier)
     (arguments
-      (argument)
+      (argument (unquoted_argument))
     )
   )
 )
@@ -73,9 +73,9 @@ message(STATUS Hello)
   (command_invocation
     (identifier)
     (arguments
-      (argument)
+      (argument (unquoted_argument))
       (seperation (space))
-      (argument)
+      (argument (unquoted_argument))
     )
   )
 )
diff --git a/grammar.js b/grammar.js
index 8e59552..6e89299 100644
--- a/grammar.js
+++ b/grammar.js
@@ -9,7 +9,7 @@ module.exports = grammar({
     newline: $ => /\n/,
     identifier: $ => /[A-Za-z_][A-Za-z0-9_]*/,
 
-    argument: $ => choice($._unquoted_argument),
+    argument: $ => choice($.unquoted_argument),
     seperation: $ => choice($.space, $.line_ending),
 
     arguments: $ => seq($.argument, repeat($._seperated_arguments)),
@@ -28,6 +28,6 @@ module.exports = grammar({
       ')'
     ),
 
-    _unquoted_argument: $ => /[^ ()#\"\\]+/,
+    unquoted_argument: $ => /[^ ()#\"\\]+/,
   }
 })
diff --git a/src/grammar.json b/src/grammar.json
index ec6a531..baebe31 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -29,7 +29,7 @@
       "members": [
         {
           "type": "SYMBOL",
-          "name": "_unquoted_argument"
+          "name": "unquoted_argument"
         }
       ]
     },
@@ -140,7 +140,7 @@
         }
       ]
     },
-    "_unquoted_argument": {
+    "unquoted_argument": {
       "type": "PATTERN",
       "value": "[^ ()#\\\"\\\\]+"
     }
diff --git a/src/node-types.json b/src/node-types.json
index af537aa..2a3e28c 100644
--- a/src/node-types.json
+++ b/src/node-types.json
@@ -2,7 +2,17 @@
   {
     "type": "argument",
     "named": true,
-    "fields": {}
+    "fields": {},
+    "children": {
+      "multiple": false,
+      "required": true,
+      "types": [
+        {
+          "type": "unquoted_argument",
+          "named": true
+        }
+      ]
+    }
   },
   {
     "type": "arguments",
@@ -118,5 +128,9 @@
   {
     "type": "space",
     "named": true
+  },
+  {
+    "type": "unquoted_argument",
+    "named": true
   }
 ]
\ No newline at end of file
diff --git a/src/parser.c b/src/parser.c
index 8a4a4b6..1912d7f 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -22,7 +22,7 @@ enum {
   sym_identifier = 3,
   anon_sym_LPAREN = 4,
   anon_sym_RPAREN = 5,
-  sym__unquoted_argument = 6,
+  sym_unquoted_argument = 6,
   sym_source_file = 7,
   sym_line_ending = 8,
   sym_argument = 9,
@@ -43,7 +43,7 @@ static const char *ts_symbol_names[] = {
   [sym_identifier] = "identifier",
   [anon_sym_LPAREN] = "(",
   [anon_sym_RPAREN] = ")",
-  [sym__unquoted_argument] = "_unquoted_argument",
+  [sym_unquoted_argument] = "unquoted_argument",
   [sym_source_file] = "source_file",
   [sym_line_ending] = "line_ending",
   [sym_argument] = "argument",
@@ -64,7 +64,7 @@ static TSSymbol ts_symbol_map[] = {
   [sym_identifier] = sym_identifier,
   [anon_sym_LPAREN] = anon_sym_LPAREN,
   [anon_sym_RPAREN] = anon_sym_RPAREN,
-  [sym__unquoted_argument] = sym__unquoted_argument,
+  [sym_unquoted_argument] = sym_unquoted_argument,
   [sym_source_file] = sym_source_file,
   [sym_line_ending] = sym_line_ending,
   [sym_argument] = sym_argument,
@@ -103,8 +103,8 @@ static const TSSymbolMetadata ts_symbol_metadata[] = {
     .visible = true,
     .named = false,
   },
-  [sym__unquoted_argument] = {
-    .visible = false,
+  [sym_unquoted_argument] = {
+    .visible = true,
     .named = true,
   },
   [sym_source_file] = {
@@ -251,7 +251,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
       ACCEPT_TOKEN(anon_sym_RPAREN);
       END_STATE();
     case 13:
-      ACCEPT_TOKEN(sym__unquoted_argument);
+      ACCEPT_TOKEN(sym_unquoted_argument);
       if (lookahead == '\t') ADVANCE(5);
       if (lookahead == '\n') ADVANCE(8);
       if (lookahead == '\r') ADVANCE(13);
@@ -264,7 +264,7 @@ static bool ts_lex(TSLexer *lexer, TSStateId state) {
           lookahead != '\\') ADVANCE(14);
       END_STATE();
     case 14:
-      ACCEPT_TOKEN(sym__unquoted_argument);
+      ACCEPT_TOKEN(sym_unquoted_argument);
       if (lookahead != 0 &&
           lookahead != ' ' &&
           lookahead != '"' &&
@@ -344,7 +344,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(13), 1,
       anon_sym_RPAREN,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     STATE(8), 1,
       sym_argument,
     STATE(17), 1,
@@ -360,7 +360,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(11), 1,
       sym_newline,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     ACTIONS(17), 1,
       anon_sym_RPAREN,
     STATE(8), 1,
@@ -378,7 +378,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(11), 1,
       sym_newline,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     ACTIONS(17), 1,
       anon_sym_RPAREN,
     STATE(8), 1,
@@ -396,7 +396,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(11), 1,
       sym_newline,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     ACTIONS(19), 1,
       anon_sym_RPAREN,
     STATE(8), 1,
@@ -414,7 +414,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(11), 1,
       sym_newline,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     ACTIONS(21), 1,
       anon_sym_RPAREN,
     STATE(8), 1,
@@ -432,7 +432,7 @@ static uint16_t ts_small_parse_table[] = {
     ACTIONS(11), 1,
       sym_newline,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     ACTIONS(21), 1,
       anon_sym_RPAREN,
     STATE(8), 1,
@@ -476,7 +476,7 @@ static uint16_t ts_small_parse_table[] = {
       aux_sym__seperated_arguments_repeat1,
   [198] = 5,
     ACTIONS(15), 1,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     STATE(17), 1,
       sym_line_ending,
     STATE(26), 1,
@@ -512,7 +512,7 @@ static uint16_t ts_small_parse_table[] = {
       sym_line_ending,
     ACTIONS(43), 2,
       anon_sym_RPAREN,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
     STATE(12), 2,
       sym_seperation,
       aux_sym__seperated_arguments_repeat1,
@@ -545,7 +545,7 @@ static uint16_t ts_small_parse_table[] = {
       sym_space,
       sym_newline,
       anon_sym_RPAREN,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
   [297] = 3,
     ACTIONS(57), 1,
       sym_space,
@@ -559,7 +559,7 @@ static uint16_t ts_small_parse_table[] = {
       sym_space,
       sym_newline,
       anon_sym_RPAREN,
-      sym__unquoted_argument,
+      sym_unquoted_argument,
   [315] = 3,
     ACTIONS(64), 1,
       sym_space,