diff --git a/src/wifi/model/dcf-state.h b/src/wifi/model/dcf-state.h
index 72d6ce745..50e8c336b 100644
--- a/src/wifi/model/dcf-state.h
+++ b/src/wifi/model/dcf-state.h
@@ -68,15 +68,15 @@ public:
    */
   void SetAifsn (uint32_t aifsn);
   /**
-   * Set the minimum congestion window size.
+   * Set the minimum contention window size.
    *
-   * \param minCw the minimum congestion window size
+   * \param minCw the minimum contention window size
    */
   void SetCwMin (uint32_t minCw);
   /**
-   * Set the maximum congestion window size.
+   * Set the maximum contention window size.
    *
-   * \param maxCw the maximum congestion window size
+   * \param maxCw the maximum contention window size
    */
   void SetCwMax (uint32_t maxCw);
   /**
@@ -92,15 +92,15 @@ public:
    */
   uint32_t GetAifsn (void) const;
   /**
-   * Return the minimum congestion window size.
+   * Return the minimum contention window size.
    *
-   * \return the minimum congestion window size
+   * \return the minimum contention window size
    */
   uint32_t GetCwMin (void) const;
   /**
-   * Return the maximum congestion window size.
+   * Return the maximum contention window size.
    *
-   * \return the maximum congestion window size
+   * \return the maximum contention window size
    */
   uint32_t GetCwMax (void) const;
   /**