Reading and deleting some words in word document using c#

Check the code

string remove Word1="word1";
string remove Word2="word2";
Microsoft.Office.Interop.Word.Application word=new Microsoft.Office.Interop.Word.Application();
object miss=System.Reflection.Missing.Value;
object path=@"C:\DOC\myDocument.docx";
object readOnly=true;
Microsoft.Office.Interop.Word.Document docs=word.Documents.Open(refpath,refmiss,refreadOnly,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss,refmiss);
stringtotaltext="";
for(int i=0;i
{
totaltext +="\r\n"+docs.Paragraphs[i+1].Range.Text.Replace(removeWord1,"").Replace(removeWord2,"").ToString();
}
TextBox1.Text=totaltext;
docs.Close();
word.Quit();