diff --git a/requirements.txt b/requirements.txt
index 16d3529..7a687c6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 streamlit==1.19.0
 openai==0.27.0
 gtts==2.3.1
+pip==23.0.1
diff --git a/src/utils/ai.py b/src/utils/ai.py
index 2a61ecc..efbe873 100644
--- a/src/utils/ai.py
+++ b/src/utils/ai.py
@@ -10,12 +10,13 @@ AI_MODEL_OPTIONS = [
 AI_ROLE_OPTIONS = [
     "helpful assistant",
     "code assistant",
+    "code reviewer",
     "text improver",
     "cinema expert",
     "sport expert",
     "online games expert",
-    "expert in delicious food recipes",
-    "expert in healthy food recipes",
+    "food recipes expert",
+    "English grammar expert",
 ]