Fix typos

Author: Folyd

docs/guide/web/response.md

@@ -149,7 +149,7 @@ get /api/users/:id {
 
     use std.db.pg;
 
-    let user = pg.query_one("SELECT * FROM users WHERE id = $1", id);
+    let user = pg.query("SELECT * FROM users WHERE id = $1", path.id);
 
     if user == nil {
         return response(

docs/guide/web/route.md

@@ -179,7 +179,7 @@ get /hello/:name {
         name: str
     }
 
-    return f"Hello, {name}!";
+    return f"Hello, {path.name}!";
 }
 ```
 
@@ -228,6 +228,6 @@ get /tweet/:id {
 
     use std.db.pg;
 
-    return pg.query("SELECT * FROM tweet WHERE id = $1", id);
+    return pg.query("SELECT * FROM tweet WHERE id = $1", path.id);
 }
 ```