combine option with empty

1 files changed, 3 insertions, 1 deletions

diff --git a/docs/syntax/index.md b/docs/syntax/index.md
index 45bfb37..38735c5 100644
--- a/docs/syntax/index.md
+++ b/docs/syntax/index.md
@@ -68,7 +68,7 @@ Variables starting with `_` are treated as unused
 
 ## Type Names
 
-Start with an uppercase letter
+Start with an uppercase letter created with either \`alias or \`unique
 
 # Operators
 
@@ -130,6 +130,8 @@ A list of statements between `{}` separated by  `;` or `\n` associated with a co
     condition { statements }
     { default statements }
 }
+
+? condition { arg; .... }[arg]
 ```
 
 #### Match `#`