Update PacBio_Palindrome.md

Author: zhezhangsh

PacBio_Palindrome.md

@@ -42,6 +42,6 @@ In the example below:
 
 
 ```sh
-blasr trimmed400.fastq target12.fasta --sam --placeGapConsistently --out trimmed400.sam --nproc 32 --hitPolicy all --minAlnLength 200
-
+blasr trimmed400.fastq target12.fasta --sam --placeGapConsistently \
+ --out trimmed400.sam --nproc 32 --hitPolicy all --minAlnLength 200
 ```