fix typo. close zhongsp#240

TT-M · Feb 15, 2019 · 87b9f2f · 87b9f2f
1 parent 4db2358
commit 87b9f2f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/doc/handbook/Classes.md b/doc/handbook/Classes.md
@@ -382,7 +382,7 @@ console.log(grid2.calculateDistanceFromOrigin({x: 10, y: 10}));
 abstract class Animal {
     abstract makeSound(): void;
     move(): void {
-        console.log('roaming the earch...');
+        console.log("roaming the earth...");
     }
 }
 ```