From e387d3370baba484d19dd7aeb02ed0b2c0ebce36 Mon Sep 17 00:00:00 2001
From: Sebastian Schmidt <isibboi@gmail.com>
Date: Wed, 20 Mar 2019 11:50:09 +0200
Subject: [PATCH] Fix a typo

---
 src/tree/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tree/mod.rs b/src/tree/mod.rs
index d77a1d8..68e4ebc 100644
--- a/src/tree/mod.rs
+++ b/src/tree/mod.rs
@@ -36,7 +36,7 @@ impl Node {
 
     /// Evaluates the operator tree rooted at this node.
     ///
-    /// Fails, if and operator is used with a wrong number of arguments or a wrong type.
+    /// Fails, if an operator is used with a wrong number of arguments or a wrong type.
     pub fn eval(&self, configuration: &Configuration) -> Result<Value, Error> {
         let mut arguments = Vec::new();
         for child in self.children() {