diff --git a/README.md b/README.md
index 58444b8..da48401 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,6 @@ install.packages("devtools")
 devtools::install_github('phuse-org/send-summarizer')
 ```
 
-`
 ### for development
 clone the repo and follow the instructions.  
 
@@ -32,8 +31,7 @@ sendSummarizer::send_cross_study_app('path_database.db')
 
 # more example
 
-```{R}
-
+```
 path_db <- "C:/directory/send.db"
 studyid <- '112344'
 
@@ -54,11 +52,6 @@ bw_score
 all_score <- get_all_score(studyid, path_db, domain = c('lb', 'bw', 'mi'))
 all_score
 
-
-
 compile <- get_compile_data(studyid, path_db)
 compile
-
-
-
 ```