diff --git a/src/modules/pulse_gen.cpp b/src/modules/pulse_gen.cpp
index b8e51be..449ff50 100644
--- a/src/modules/pulse_gen.cpp
+++ b/src/modules/pulse_gen.cpp
@@ -94,7 +94,7 @@ bool PulseGen::PlanMoveTo(pos_t target, steps_t feed_rate) {
     // Bail if this is a zero-length block
     block->steps = abs(target - position);
     if (block->steps <= config::dropSegments) {
-        // behave as-if the block as been scheduled
+        // behave as-if the block has been scheduled
         return true;
     }
 
diff --git a/src/modules/pulse_gen.h b/src/modules/pulse_gen.h
index b3ca9a5..37554f1 100644
--- a/src/modules/pulse_gen.h
+++ b/src/modules/pulse_gen.h
@@ -77,9 +77,9 @@ public:
             acceleration_time = calc_timer(acc_step_rate, step_loops);
             steps_completed = 0;
 
-            // Set the nominal step loops to zero to indicate, that the timer value is not
-            // known yet. That means, delay the initialization of nominal step rate and step
-            // loops until the steady state is reached.
+            // Set the nominal step loops to zero to indicate that the timer value is not
+            // known yet. That means, delay the initialization of nominal step rate and
+            // step loops until the steady state is reached.
             step_loops_nominal = 0;
         }