diff --git a/Structural_Patterns/Flyweight/GlyphContext.cpp b/Structural_Patterns/Flyweight/GlyphContext.cpp
index 4c14ed2..dd84f0f 100644
--- a/Structural_Patterns/Flyweight/GlyphContext.cpp
+++ b/Structural_Patterns/Flyweight/GlyphContext.cpp
@@ -9,8 +9,8 @@ GlyphContext::~GlyphContext()
 
 void GlyphContext::Next(int step)
 {
-    // TODO: increment _index as the traversal proceeds
-    // (see book page 202).
+    // Increment _index as the traversal proceeds (see book page 202).
+    _index += step;
 }
 
 void GlyphContext::Insert(int quantity1)