diff --git a/README.Rmd b/README.Rmd
index 4f06c58..8fb4895 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -19,7 +19,7 @@ library(tidytext)
 
 
 
-## About
+# 1) About
 
 This repository contains various data files that can be used to perform a
 text analysis of [Harry Potter](https://en.wikipedia.org/wiki/Harry_Potter)
@@ -54,16 +54,16 @@ library(tidytext)
 -----
 
 
-## Content
+# 2) Content
 
-The content of this repo is divided in three directories, each one containing
+The content of this repo is divided in __three directories__, each one containing
 different types of files.
 
 - [csv-data-file/](csv-data-file) contains the text of all Harry Potter books
 in a single CSV file.
 
 - [rda-data-files/](rda-data-files) contains the seven Harry Potter books 
-stored in R-Data (binary) files---one filer per book.
+stored in R-Data (binary) files---one file per book.
 
 - [sentiment-lexicons/](sentiment-lexicons) contains a handful of sentiment 
 lexicons, also stored in R-Data (binary) files---one file per lexicon.
@@ -72,9 +72,9 @@ lexicons, also stored in R-Data (binary) files---one file per lexicon.
 -----
 
 
-## Harry Potter CSV file
+## 2.1) Harry Potter CSV file
 
-The data of all the books is available in `csv` format: 
+The data of all the books is available in `csv` format---in a single file: 
 `harry_potter_books.csv`.
 
 Assuming that this file is in your working directory, you can import it---via
@@ -103,7 +103,7 @@ and `r ncol(hp_books)` columns:
 -----
 
 
-## Harry Potter R-Data Files
+## 2.2) Harry Potter R-Data Files
 
 The data of each book is also available in its own R-Data `rda` file
 (see [rda-data-files/](rda-data-files)):
@@ -152,7 +152,7 @@ n-gram analysis).
 -----
 
 
-## Sentiment Lexicons
+## 2.3) Sentiment Lexicons
 
 In addition to the Harry Potter text, you can also find data for a handful of 
 sentiment lexicons from the R package `"textdata"` (by Hvitfeldt and Silge):
diff --git a/README.md b/README.md
index 03a2f3e..e981739 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <!-- README.md is generated from README.Rmd. Please edit that file -->
 
-## About
+# 1) About
 
 This repository contains various data files that can be used to perform
 a text analysis of [Harry
@@ -33,16 +33,16 @@ library(tidytext)
 
 ------------------------------------------------------------------------
 
-## Content
+# 2) Content
 
-The content of this repo is divided in three directories, each one
+The content of this repo is divided in **three directories**, each one
 containing different types of files.
 
 -   [csv-data-file/](csv-data-file) contains the text of all Harry
     Potter books in a single CSV file.
 
 -   [rda-data-files/](rda-data-files) contains the seven Harry Potter
-    books stored in R-Data (binary) files—one filer per book.
+    books stored in R-Data (binary) files—one file per book.
 
 -   [sentiment-lexicons/](sentiment-lexicons) contains a handful of
     sentiment lexicons, also stored in R-Data (binary) files—one file
@@ -50,9 +50,9 @@ containing different types of files.
 
 ------------------------------------------------------------------------
 
-## Harry Potter CSV file
+## 2.1) Harry Potter CSV file
 
-The data of all the books is available in `csv` format:
+The data of all the books is available in `csv` format—in a single file:
 `harry_potter_books.csv`.
 
 Assuming that this file is in your working directory, you can import
@@ -75,7 +75,7 @@ columns:
 
 ------------------------------------------------------------------------
 
-## Harry Potter R-Data Files
+## 2.2) Harry Potter R-Data Files
 
 The data of each book is also available in its own R-Data `rda` file
 (see [rda-data-files/](rda-data-files)):
@@ -120,7 +120,7 @@ type of n-gram analysis).
 
 ------------------------------------------------------------------------
 
-## Sentiment Lexicons
+## 2.3) Sentiment Lexicons
 
 In addition to the Harry Potter text, you can also find data for a
 handful of sentiment lexicons from the R package `"textdata"` (by
@@ -179,5 +179,5 @@ bing
 #>  8 abort       negative 
 #>  9 aborted     negative 
 #> 10 aborts      negative 
-#> # … with 6,776 more rows
+#> # ℹ 6,776 more rows
 ```