fix(curriculum): corrected tone mark placement in compound finals - task 26 (freeCodeCamp#64748)

Author: bdtripp

curriculum/challenges/english/blocks/zh-a1-learn-compound-finals/68e74be40fa844d1c85b99c7.md

@@ -6,7 +6,7 @@ dashedName: task-26
 lang: zh-CN
 ---
 
-<!-- (Audio) Lin Yating: iao, biao, miao, diao, jiao, qiao, xiao, mīao, miáo, miǎo, miào -->
+<!-- (Audio) Lin Yating: iao, biao, miao, diao, jiao, qiao, xiao, miāo, miáo, miǎo, miào -->
 
 # --description--
 
@@ -18,7 +18,7 @@ Let's practice pronouncing these syllables, and then use `miao` in different ton
 
 | Pinyin   | Character|
 |--------|----------|
-| `mīao`  | `喵`|
+| `miāo`  | `喵`|
 | `miáo`   | `苗`|
 | `miǎo`  | `秒`|
 | `miào`  | `妙`|