Update red.html.markdown

The inequality operator was given as "!=", should be "<>".

The until construct was described as not returning a value: it always returns true if it finishes.

1 files changed, 3 insertions, 3 deletions

diff --git a/red.html.markdown b/red.html.markdown
index 73baf462..9cf6c31d 100644
--- a/red.html.markdown
+++ b/red.html.markdown
@@ -114,12 +114,12 @@ i2 * i1 ; result 2
 i1 / i2 ; result 0 (0.5, but truncated towards 0)
 
 ; Comparison operators are probably familiar, and unlike in other languages
-; you only need a single '=' sign for comparison.
+; you only need a single '=' sign for comparison. Inequality is '<>' like in Pascal.
 ; There is a boolean like type in Red. It has values true and false, but also
 ; the values on/off or yes/no can be used
 
 3 = 2 ; result false
-3 != 2 ; result true
+3 <> 2 ; result true
 3 > 2 ; result true
 3 < 2 ; result false
 2 <= 2 ; result true
@@ -165,7 +165,7 @@ print ["a is " msg lf]
 
 ; until
 ; Loop over a block of code until the condition at end of block, is met.
-; UNTIL does not return any value, so it cannot be used in an expression.
+; UNTIL always returns the 'true' value from the final evaluation of the last expression.
 c: 5
 until [
    prin "o"