diff --git a/dcalc/DmpCeff.cc b/dcalc/DmpCeff.cc
index dd9b6721..85b9b93a 100644
--- a/dcalc/DmpCeff.cc
+++ b/dcalc/DmpCeff.cc
@@ -156,7 +156,7 @@ public:
           // Return values.
           double &vo,
           double &dol_dt);
-  // Load responce to driver waveform.
+  // Load response to driver waveform.
   void Vl(double t,
           // Return values.
           double &vl,
diff --git a/spice/WriteSpice.cc b/spice/WriteSpice.cc
index 9b1bf2c3..ba477444 100644
--- a/spice/WriteSpice.cc
+++ b/spice/WriteSpice.cc
@@ -825,7 +825,7 @@ WriteSpice::railToRailSlew(float slew,
 
 ////////////////////////////////////////////////////////////////
 
-// Find the logic values for expression inputs to enable paths from input_port.
+// Find the logic values for expression inputs to sensitize the path from input_port.
 void
 WriteSpice::gatePortValues(const Pin *input_pin,
                            const Pin *drvr_pin,