diff --git a/README.md b/README.md
index 263438a..17a9812 100644
--- a/README.md
+++ b/README.md
@@ -140,7 +140,7 @@ To cite this repository, please use the following BibTeX entry for the Reinforce
 
 ```bibtex
 @article{reinforcedlib2022,
-  author = {Maksymilian Wojnar and Szymon Szott and Krzysztof Rusek and Wojciech Ciezobka}
+  author = {Maksymilian Wojnar and Szymon Szott and Krzysztof Rusek and Wojciech Ciezobka},
   title = {{R}einforced-lib: {R}apid prototyping of reinforcement learning solutions},
   journal = {SoftwareX},
   volume = {26},
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 4b0fe88..24d8503 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -111,7 +111,7 @@ To cite this repository, please use the following BibTeX entry for the Reinforce
 .. code-block:: latex
 
     @article{reinforcedlib2022,
-      author = {Maksymilian Wojnar and Szymon Szott and Krzysztof Rusek and Wojciech Ciezobka}
+      author = {Maksymilian Wojnar and Szymon Szott and Krzysztof Rusek and Wojciech Ciezobka},
       title = {{R}einforced-lib: {R}apid prototyping of reinforcement learning solutions},
       journal = {SoftwareX},
       volume = {26},