1 files changed, 1 insertions, 2 deletions
diff --git a/README.md b/README.md
index cb99cfc..a0db7e5 100644
--- a/README.md
+++ b/README.md
@@ -56,13 +56,12 @@ numbers) or by `-` (for negative numbers).
 
 There is support for the five arithmetic operations `+`, `-`, `*`, `/`, `%` (with
 `%` the operands are automatically converted to integer) as well as the relational
-operations `!` (different), `<`, `>`:
+operations `<`, `>`:
 
     (- +5)                       ; -5
     (- +5 +3.2 +.6)              ; +1.2
     (< +2 +4 +6.8)               ; t
     (> +4 +8)                    ; f
-    (! +4 +4)                    ; f
 
 #### Random number operation