[SPARK-31891][SQL][DOCS][FOLLOWUP] Fix typo in the description of `MSCK REPAIR TABLE`
[SPARK-31891][SQL][DOCS][FOLLOWUP] Fix typo in the description of `MSCK REPAIR TABLE`

### What changes were proposed in this pull request?
Fix typo and highlight that `ADD PARTITIONS` is the default.

### Why are the changes needed?
Fix a typo which can mislead users.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
n/a

Closes #31633 from MaxGekk/repair-table-drop-partitions-followup.

Lead-authored-by: Wenchen Fan <ab56adc4e61f1b489818a700493ea97fb9f9e75e@gmail.com>
Co-authored-by: Max Gekk <b91a34c712a29cd91cde3972985e114f1bb54d88@gmail.com>
Signed-off-by: HyukjinKwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>

wangmiao1981/spark,shaneknapp/spark,hvanhovell/spark,gengliangwang/spark,jiangxb1987/spark,maropu/spark,milliman/spark,HyukjinKwon/spark,ueshin/apache-spark,xuanyuanking/spark,chuckchen/spark,wangyum/spark,milliman/spark,holdenk/spark,wangyum/spark,BryanCutler/spark,nchammas/spark,wangmiao1981/spark,chuckchen/spark,jiangxb1987/spark,cloud-fan/spark,cloud-fan/spark,xuanyuanking/spark,witgo/spark,chuckchen/spark,WeichenXu123/spark,witgo/spark,jiangxb1987/spark,nchammas/spark,milliman/spark,WeichenXu123/spark,maropu/spark,mahak/spark,gengliangwang/spark,apache/spark,xuanyuanking/spark,HyukjinKwon/spark,wangyum/spark,holdenk/spark,apache/spark,BryanCutler/spark,milliman/spark,wangyum/spark,hvanhovell/spark,ueshin/apache-spark,JoshRosen/spark,maropu/spark,maropu/spark,wangyum/spark,ueshin/apache-spark,BryanCutler/spark,rednaxelafx/apache-spark,wangyum/spark,shaneknapp/spark,taroplus/spark,hvanhovell/spark,milliman/spark,zero323/spark,wangmiao1981/spark,zzcclp/spark,ueshin/apache-spark,apache/spark,dongjoon-hyun/spark,mahak/spark,zero323/spark,shaneknapp/spark,srowen/spark,rednaxelafx/apache-spark,dongjoon-hyun/spark,srowen/spark,milliman/spark,jiangxb1987/spark,cloud-fan/spark,mahak/spark,cloud-fan/spark,holdenk/spark,xuanyuanking/spark,zero323/spark,zzcclp/spark,dongjoon-hyun/spark,srowen/spark,vinodkc/spark,ueshin/apache-spark,apache/spark,JoshRosen/spark,maropu/spark,hvanhovell/spark,HyukjinKwon/spark,nchammas/spark,vinodkc/spark,maropu/spark,WeichenXu123/spark,WeichenXu123/spark,zero323/spark,zzcclp/spark,wangmiao1981/spark,srowen/spark,dongjoon-hyun/spark,chuckchen/spark,taroplus/spark,gengliangwang/spark,mahak/spark,holdenk/spark,jiangxb1987/spark,zzcclp/spark,hvanhovell/spark,cloud-fan/spark,shaneknapp/spark,dongjoon-hyun/spark,vinodkc/spark,nchammas/spark,shaneknapp/spark,WeichenXu123/spark,chuckchen/spark,ueshin/apache-spark,apache/spark,mahak/spark,rednaxelafx/apache-spark,JoshRosen/spark,ueshin/apache-spark,taroplus/spark,gengliangwang/spark,vinodkc/spark,mahak/spark,gengliangwang/spark,zzcclp/spark,shaneknapp/spark,zzcclp/spark,BryanCutler/spark,BryanCutler/spark,vinodkc/spark,rednaxelafx/apache-spark,JoshRosen/spark,HyukjinKwon/spark,nchammas/spark,rednaxelafx/apache-spark,srowen/spark,BryanCutler/spark,apache/spark,maropu/spark,taroplus/spark,HyukjinKwon/spark,witgo/spark,zero323/spark,hvanhovell/spark,dongjoon-hyun/spark,gengliangwang/spark,taroplus/spark,holdenk/spark,srowen/spark,cloud-fan/spark,wangyum/spark,dongjoon-hyun/spark,jiangxb1987/spark,chuckchen/spark,holdenk/spark,JoshRosen/spark,BryanCutler/spark,witgo/spark,zzcclp/spark,shaneknapp/spark,xuanyuanking/spark,witgo/spark,rednaxelafx/apache-spark,xuanyuanking/spark,chuckchen/spark,apache/spark,srowen/spark,JoshRosen/spark,rednaxelafx/apache-spark,cloud-fan/spark,HyukjinKwon/spark,vinodkc/spark,wangmiao1981/spark,WeichenXu123/spark,WeichenXu123/spark,vinodkc/spark,milliman/spark,holdenk/spark,gengliangwang/spark,nchammas/spark,witgo/spark,zero323/spark,mahak/spark,nchammas/spark,wangmiao1981/spark,JoshRosen/spark,HyukjinKwon/spark,witgo/spark,taroplus/spark,taroplus/spark,xuanyuanking/spark,zero323/spark,wangmiao1981/spark,jiangxb1987/spark,hvanhovell/spark