diff --git a/src/renderer/prefComponents/image/index.vue b/src/renderer/prefComponents/image/index.vue
index 1be79e18..4c98953f 100644
--- a/src/renderer/prefComponents/image/index.vue
+++ b/src/renderer/prefComponents/image/index.vue
@@ -9,7 +9,7 @@
       </div>
       <el-radio-group v-model="imageInsertAction">
         <el-radio label="upload">Upload image to cloud by image uploader (you need to select one)</el-radio>
-        <el-radio label="folder">Move image to sepcial folder</el-radio>
+        <el-radio label="folder">Move image to special folder</el-radio>
         <el-radio label="path">Insert absolute or relative path of image</el-radio>
       </el-radio-group>
     </section>
diff --git a/src/renderer/prefComponents/markdown/config.js b/src/renderer/prefComponents/markdown/config.js
index fb56bdd4..3cb512ed 100644
--- a/src/renderer/prefComponents/markdown/config.js
+++ b/src/renderer/prefComponents/markdown/config.js
@@ -32,7 +32,7 @@ export const tabSizeOptions = [{
   label: '2',
   value: 2
 }, {
-  label: '1',
+  label: '3',
   value: 3
 }, {
   label: '4',