diff --git a/c/qrcodegen.c b/c/qrcodegen.c
index 44c041a..76876cf 100644
--- a/c/qrcodegen.c
+++ b/c/qrcodegen.c
@@ -619,8 +619,7 @@ static long getPenaltyScore(const uint8_t qrcode[]) {
 				black++;
 		}
 	}
-	// Note that size is odd, so black/total != 1/2
-	int total = qrsize * qrsize;
+	int total = qrsize * qrsize;  // Note that size is odd, so black/total != 1/2
 	// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 	int k = (int)((labs(black * 20L - total * 10L) + total - 1) / total) - 1;
 	result += k * PENALTY_N4;
diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index 61d583b..bb8e979 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -485,8 +485,7 @@ long QrCode::getPenaltyScore() const {
 				black++;
 		}
 	}
-	// Note that size is odd, so black/total != 1/2
-	int total = size * size;
+	int total = size * size;  // Note that size is odd, so black/total != 1/2
 	// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 	int k = static_cast<int>((std::abs(black * 20L - total * 10L) + total - 1) / total) - 1;
 	result += k * PENALTY_N4;
diff --git a/java/io/nayuki/qrcodegen/QrCode.java b/java/io/nayuki/qrcodegen/QrCode.java
index 80a4ee9..f558770 100644
--- a/java/io/nayuki/qrcodegen/QrCode.java
+++ b/java/io/nayuki/qrcodegen/QrCode.java
@@ -632,8 +632,7 @@ public final class QrCode {
 					black++;
 			}
 		}
-		// Note that size is odd, so black/total != 1/2
-		int total = size * size;
+		int total = size * size;  // Note that size is odd, so black/total != 1/2
 		// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 		int k = (Math.abs(black * 20 - total * 10) + total - 1) / total - 1;
 		result += k * PENALTY_N4;
diff --git a/javascript/qrcodegen.js b/javascript/qrcodegen.js
index 0288aaa..27cbc0c 100644
--- a/javascript/qrcodegen.js
+++ b/javascript/qrcodegen.js
@@ -480,8 +480,7 @@ var qrcodegen = new function() {
 						black++;
 				});
 			});
-			// Note that size is odd, so black/total != 1/2
-			var total = size * size;
+			var total = size * size;  // Note that size is odd, so black/total != 1/2
 			// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 			var k = Math.ceil(Math.abs(black * 20 - total * 10) / total) - 1;
 			result += k * QrCode.PENALTY_N4;
diff --git a/python/qrcodegen.py b/python/qrcodegen.py
index 22c2252..130f832 100644
--- a/python/qrcodegen.py
+++ b/python/qrcodegen.py
@@ -476,8 +476,7 @@ class QrCode(object):
 		
 		# Balance of black and white modules
 		black = sum((1 if cell else 0) for row in modules for cell in row)
-		# Note that size is odd, so black/total != 1/2
-		total = size**2
+		total = size**2  # Note that size is odd, so black/total != 1/2
 		# Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 		k = (abs(black * 20 - total * 10) + total - 1) // total - 1
 		result += k * QrCode._PENALTY_N4
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index ee24836..486896f 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -609,8 +609,7 @@ impl QrCode {
 		for color in &self.modules {
 			black += *color as i32;
 		}
-		// Note that size is odd, so black/total != 1/2
-		let total: i32 = size * size;
+		let total: i32 = size * size;  // Note that size is odd, so black/total != 1/2
 		// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 		let k: i32 = ((black * 20 - total * 10).abs() + total - 1) / total - 1;
 		result += k * PENALTY_N4;
diff --git a/typescript/qrcodegen.ts b/typescript/qrcodegen.ts
index d67ccd5..2d59569 100644
--- a/typescript/qrcodegen.ts
+++ b/typescript/qrcodegen.ts
@@ -548,8 +548,7 @@ namespace qrcodegen {
 						black++;
 				});
 			});
-			// Note that size is odd, so black/total != 1/2
-			let total: int = this.size * this.size;
+			let total: int = this.size * this.size;  // Note that size is odd, so black/total != 1/2
 			// Compute the smallest integer k >= 0 such that (45-5k)% <= black/total <= (55+5k)%
 			let k: int = Math.ceil(Math.abs(black * 20 - total * 10) / total) - 1;
 			result += k * QrCode.PENALTY_N4;