diff --git a/Source/FilteringFunctions/arm_biquad_cascade_df2T_f32.c b/Source/FilteringFunctions/arm_biquad_cascade_df2T_f32.c
index 46454dad..f8d424c2 100644
--- a/Source/FilteringFunctions/arm_biquad_cascade_df2T_f32.c
+++ b/Source/FilteringFunctions/arm_biquad_cascade_df2T_f32.c
@@ -165,7 +165,7 @@ void arm_biquad_cascade_df2T_f32(
             *pState++ = vgetq_lane(state, 1);
         }
         /*
-         * The current stage input is given as the output to the next stage
+         * The current stage output is given as the input to the next stage
          */
         pIn = pDst;
         /*
@@ -277,7 +277,7 @@ void arm_biquad_cascade_df2T_f32(
       vst2q_f32(pState,dV);
       pState += 8;
 
-      /* The current stage input is given as the output to the next stage */
+      /* The current stage output is given as the input to the next stage */
       pIn = pDst;
 
       /*Reset the output working pointer */
@@ -332,7 +332,7 @@ void arm_biquad_cascade_df2T_f32(
       *pState++ = d1;
       *pState++ = d2;
 
-      /* The current stage input is given as the output to the next stage */
+      /* The current stage output is given as the input to the next stage */
       pIn = pDst;
 
       /*Reset the output working pointer */
@@ -631,7 +631,7 @@ void arm_biquad_cascade_df2T_f32(
 
       pState += 2U;
 
-      /* The current stage input is given as the output to the next stage */
+      /* The current stage output is given as the input to the next stage */
       pIn = pDst;
 
       /* Reset the output working pointer */
diff --git a/Source/FilteringFunctions/arm_biquad_cascade_df2T_f64.c b/Source/FilteringFunctions/arm_biquad_cascade_df2T_f64.c
index f86158bc..35d401d5 100644
--- a/Source/FilteringFunctions/arm_biquad_cascade_df2T_f64.c
+++ b/Source/FilteringFunctions/arm_biquad_cascade_df2T_f64.c
@@ -424,7 +424,7 @@ void arm_biquad_cascade_df2T_f64(
 
       pState += 2U;
 
-      /* The current stage input is given as the output to the next stage */
+      /* The current stage output is given as the input to the next stage */
       pIn = pDst;
 
       /* Reset the output working pointer */
diff --git a/Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_f32.c b/Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_f32.c
index a00bdd11..426efef0 100644
--- a/Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_f32.c
+++ b/Source/FilteringFunctions/arm_biquad_cascade_stereo_df2T_f32.c
@@ -163,7 +163,7 @@ void arm_biquad_cascade_stereo_df2T_f32(
         pState += 4;
 
         /*
-         * The current stage input is given as the output to the next stage
+         * The current stage output is given as the input to the next stage
          */
         pIn = pDst;
         /*
@@ -400,7 +400,7 @@ void arm_biquad_cascade_stereo_df2T_f32(
 
         pState += 4U;
 
-        /* The current stage input is given as the output to the next stage */
+        /* The current stage output is given as the input to the next stage */
         pIn = pDst;
 
         /* Reset the output working pointer */