1 files changed, 5 insertions, 2 deletions
diff --git a/README.md b/README.md
index 1d43430..888abac 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ or can be interpreted with the [ABCMachine][abc-github] project.
 ## Grammar
 
 ```
-<Program>        ::= <Function>-list
+<Program>        ::= <Initialisation>-list <Function>-list
 
 <Function>       ::= <Type> <Name> '(' <Arg>-clist ')' '{' <CodeBlock> '}'
 
@@ -38,7 +38,10 @@ or can be interpreted with the [ABCMachine][abc-github] project.
                   |  '(' <Expression> ')'               // Parenthised expression
 
 <Op1>            ::= '~' | '!'
-<Op2>            ::= '+' | '-' | '*' | '/' | '%' | '==' | '||' | '&&' | ':'
+<Op2>            ::= '+' | '-' | '*' | '/' | '%'           // Int Int -> Int
+                  | '==' | '<>' | '<' | '>' | '<=' | '>='  // Int Int -> Bool
+                  | '||' | '&&'                            // Bool Bool -> Bool
+                  | ':'                                    // a [a] -> [a]
 
 <Type>           ::= 'Bool' | 'Int' | 'Void'
                   |  '(' <Type>-clist ')'     // Tuple