diff --git a/README.Rmd b/README.Rmd
index 9eaf178..25c262e 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -9,7 +9,7 @@ This repository includes supplementary material to accompany Skripnikov et al. r
 The file structure in this repository is as follows. The tweet data are in the root directory and the sentiment analysis code and vocabularies are in the `Sentiment Analysis` folder.
  
 
-```{r, echo = F}
+```{r, echo = F, comment = NA}
 fs::dir_tree()
 ```
 
diff --git a/README.md b/README.md
index f356ca8..f08fc62 100644
--- a/README.md
+++ b/README.md
@@ -10,16 +10,16 @@ The file structure in this repository is as follows. The tweet data are
 in the root directory and the sentiment analysis code and vocabularies
 are in the `Sentiment Analysis` folder.
 
-    ## .
-    ## +-- README.html
-    ## +-- README.Rmd
-    ## +-- red-tide-twitter.Rproj
-    ## +-- Secure_Tweets_Data.csv
-    ## \-- Sentiment Analysis
-    ##     +-- Code
-    ##     |   +-- Cleaning_For_Sentiment_Analysis_for_Secure_Data.R
-    ##     |   \-- SentimentR_Analysis_for_Secure_Data.R
-    ##     \-- Vocabularies
-    ##         +-- Hashtag_Break_Apart_Words.csv
-    ##         +-- Red_Tide_Polarized_Sentiment_Words_Vocabulary.csv
-    ##         \-- Red_Tide_Valence_Shifters_Vocabulary.csv
+    .
+    +-- README.md
+    +-- README.Rmd
+    +-- red-tide-twitter.Rproj
+    +-- Secure_Tweets_Data.csv
+    \-- Sentiment Analysis
+        +-- Code
+        |   +-- Cleaning_For_Sentiment_Analysis_for_Secure_Data.R
+        |   \-- SentimentR_Analysis_for_Secure_Data.R
+        \-- Vocabularies
+            +-- Hashtag_Break_Apart_Words.csv
+            +-- Red_Tide_Polarized_Sentiment_Words_Vocabulary.csv
+            \-- Red_Tide_Valence_Shifters_Vocabulary.csv