fix it

Author: morgante

.grit/patterns/util_upsert.md

@@ -32,8 +32,8 @@ pattern upsert($key, $value) {
 
 // Test case
 or {
-    `hello($obj)` where { $obj <: upsert(key=`hello`, value=`"world"`) },
-    `string_key($obj)` where { $obj <: upsert(key=`"hello-world"`, value=`"niceness"`)}
+    `hello($obj)` where { $obj <: upsert(key=`hello`, value=`'world'`) },
+    `string_key($obj)` where { $obj <: upsert(key=`'hello-world'`, value=`'niceness'`)}
 }
 ```
 
@@ -52,15 +52,15 @@ hello({ king: 'old-string' });
 ```
 
 ```js
-hello({ hello: "world" });
+hello({ hello: 'world' });
 
-hello({ thing: 'two', hello: "world" });
+hello({ thing: 'two', hello: 'world' });
 
-hello({ hello: "world" });
+hello({ hello: 'world' });
 
-hello({ hello: "world" });
+hello({ hello: 'world' });
 
-hello({ king: 'old-string', hello: "world" });
+hello({ king: 'old-string', hello: 'world' });
 ```
 
 ## String key
@@ -74,7 +74,7 @@ string_key({ 'hello-world': 'boss' });
 ```
 
 ```js
-string_key({ "hello-world": "niceness" });
+string_key({ 'hello-world': 'niceness' });
 
-string_key({ 'hello-world': "niceness" });
+string_key({ 'hello-world': 'niceness' });
 ```