diff --git a/src/internet/model/tcp-bbr.cc b/src/internet/model/tcp-bbr.cc
index 3850c2f37..8227dd1c5 100644
--- a/src/internet/model/tcp-bbr.cc
+++ b/src/internet/model/tcp-bbr.cc
@@ -611,7 +611,7 @@ TcpBbr::UpdateRound(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs
 }
 
 void
-TcpBbr::UpdateBtlBw(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs)
+TcpBbr::UpdateBottleneckBandwidth(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs)
 {
     NS_LOG_FUNCTION(this << tcb << rs);
 
@@ -632,7 +632,7 @@ void
 TcpBbr::UpdateModelAndState(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs)
 {
     NS_LOG_FUNCTION(this << tcb << rs);
-    UpdateBtlBw(tcb, rs);
+    UpdateBottleneckBandwidth(tcb, rs);
     UpdateAckAggregation(tcb, rs);
     CheckCyclePhase(tcb, rs);
     CheckFullPipe(rs);
diff --git a/src/internet/model/tcp-bbr.h b/src/internet/model/tcp-bbr.h
index ab71b83fa..4977cf1b6 100644
--- a/src/internet/model/tcp-bbr.h
+++ b/src/internet/model/tcp-bbr.h
@@ -293,7 +293,7 @@ class TcpBbr : public TcpCongestionOps
      * \param tcb the socket state.
      * \param rs rate sample.
      */
-    void UpdateBtlBw(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs);
+    void UpdateBottleneckBandwidth(Ptr<TcpSocketState> tcb, const TcpRateOps::TcpRateSample& rs);
 
     /**
      * \brief Updates control parameters congestion windowm, pacing rate, send quantum.