diff --git a/README.md b/README.md
index 42c71d0b8b8b0b535716e2cf98168eecd991ad05..1e6b1b4f20700e2872f3538371c3321d6393b508 100644
--- a/README.md
+++ b/README.md
@@ -9,9 +9,9 @@ ads is an R package that performs first- and second-order multi-scale analyses d
 
 ## Citation
 
-To cite 'ads', please use
+To cite 'ads', please use:
 ``` r
-citation("ads").
+citation("ads")
 ```
 
 ## Installation