diff --git a/src/7.in_practice/3.2d_game/0.full_source/program.cpp b/src/7.in_practice/3.2d_game/0.full_source/program.cpp
index 23ec0eb..3a6ab3c 100644
--- a/src/7.in_practice/3.2d_game/0.full_source/program.cpp
+++ b/src/7.in_practice/3.2d_game/0.full_source/program.cpp
@@ -14,7 +14,7 @@
 
 #include <iostream>
 
-// GLFW function declerations
+// GLFW function declarations
 void framebuffer_size_callback(GLFWwindow* window, int width, int height);
 void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode);
 
diff --git a/src/7.in_practice/3.2d_game/0.full_source/progress/2.program.cpp b/src/7.in_practice/3.2d_game/0.full_source/progress/2.program.cpp
index 11b0b2e..4888327 100644
--- a/src/7.in_practice/3.2d_game/0.full_source/progress/2.program.cpp
+++ b/src/7.in_practice/3.2d_game/0.full_source/progress/2.program.cpp
@@ -14,7 +14,7 @@
 
 #include <iostream>
 
-// GLFW function declerations
+// GLFW function declarations
 void framebuffer_size_callback(GLFWwindow* window, int width, int height);
 void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode);