fix formatting in readme and improve analysis section

README.md

@@ -87,11 +87,18 @@ mostly resolved by using
 res <- repair(res_raw)
 ```
 By passing `lookup_speaker = TRUE`, even commenters in
-`res_raw$comments$ are matched with their respective speaker id.
+`res_raw$comments` are matched with their respective speaker id.
 
 ## Analysis
 
-`analyze.R` provides some functions to analyze the parliamentary records and draw some plots.
+Also some functions are provided to analyze the parliamentary records and draw some plots:
+
+- `bar_plot_fractions`
+- `find_word`
+- `join_speaker`
+- `word_usage_by_date`
+
+See their usage with the `?` operator.
 
 In the vignettes you can find different analyses of the protocols, for example: