diff --git a/Marlin/src/module/planner.cpp b/Marlin/src/module/planner.cpp
index 7bb078be16..acd576c9b3 100644
--- a/Marlin/src/module/planner.cpp
+++ b/Marlin/src/module/planner.cpp
@@ -2542,6 +2542,8 @@ bool Planner::_populate_block(
         xyze_float_t junction_unit_vec = unit_vec - prev_unit_vec;
         normalize_junction_vector(junction_unit_vec);
 
+        // TODO: Don't limit acceleration on axes with very small distance relative to others
+        // See https://github.com/MarlinFirmware/Marlin/issues/27918#issuecomment-3145339116
         const float junction_acceleration = limit_value_by_axis_maximum(block->acceleration, junction_unit_vec);
 
         if (TERN0(HINTS_CURVE_RADIUS, hints.curve_radius)) {
diff --git a/Marlin/src/module/planner.h b/Marlin/src/module/planner.h
index d8d0e053e7..891357dbe3 100644
--- a/Marlin/src/module/planner.h
+++ b/Marlin/src/module/planner.h
@@ -1157,12 +1157,14 @@ class Planner {
         vector *= RSQRT(magnitude_sq);
       }
 
+      // max_value is block->acceleration
       FORCE_INLINE static float limit_value_by_axis_maximum(const float max_value, xyze_float_t &unit_vec) {
         float limit_value = max_value;
         LOOP_LOGICAL_AXES(idx) {
           if (unit_vec[idx]) {
-            if (limit_value * ABS(unit_vec[idx]) > settings.max_acceleration_mm_per_s2[idx])
-              limit_value = ABS(settings.max_acceleration_mm_per_s2[idx] / unit_vec[idx]);
+            const uint32_t abs_vec = ABS(unit_vec[idx]);
+            if (limit_value * abs_vec > settings.max_acceleration_mm_per_s2[idx])
+              limit_value = settings.max_acceleration_mm_per_s2[idx] / abs_vec;
           }
         }
         return limit_value;
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
index ca6f027ade..8b3a60e048 100644
--- a/Marlin/src/module/stepper.cpp
+++ b/Marlin/src/module/stepper.cpp
@@ -253,7 +253,7 @@ uint32_t Stepper::advance_divisor = 0,
 #endif
 
 /**
- * Standard Motion Non-linear Exttrusion state
+ * Standard Motion Non-linear Extrusion state
  */
 #if ENABLED(NONLINEAR_EXTRUSION)
   nonlinear_t Stepper::ne;              // Initialized by settings.load