Update scRNAseq_10X.md

Author: zhezhangsh

scRNAseq_10X.md

@@ -71,7 +71,7 @@ Seurat provides 2 options of integrating multiple libraries. Check project-speci
 
 **Standard integration**
 
-This method is preferred when the systematic bias or batch effect between libraries is not substantial.  
+This method is preferred when systematic bias or batch effect between libraries is not substantial.  
 
 
 # References