diff --git a/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc b/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc
index c713cd8649f..28cd0d56da5 100644
--- a/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc
+++ b/framework-docs/modules/ROOT/pages/core/expressions/language-ref/operators.adoc
@@ -289,33 +289,39 @@ Java::
 +
 [source,java,indent=0,subs="verbatim,quotes",role="primary"]
 ----
-	// Addition
+	// -- Addition --
 	int two = parser.parseExpression("1 + 1").getValue(int.class);  // 2
 
-	// Subtraction
+	// -- Subtraction --
+
 	int four = parser.parseExpression("1 - -3").getValue(int.class);  // 4
 
 	double d = parser.parseExpression("1000.00 - 1e4").getValue(double.class);  // -9000
 
-	// Multiplication
-	int six = parser.parseExpression("-2 * -3").getValue(int.class);  // 6
+	// -- Multiplication --
+
+	six = parser.parseExpression("-2 * -3").getValue(int.class);  // 6
 
 	double twentyFour = parser.parseExpression("2.0 * 3e0 * 4").getValue(double.class);  // 24.0
 
-	// Division
+	// -- Division --
+
 	int minusTwo = parser.parseExpression("6 / -3").getValue(int.class);  // -2
 
 	double one = parser.parseExpression("8.0 / 4e0 / 2").getValue(double.class);  // 1.0
 
-	// Modulus
+	// -- Modulus --
+
 	int three = parser.parseExpression("7 % 4").getValue(int.class);  // 3
 
-	int one = parser.parseExpression("8 / 5 % 2").getValue(int.class);  // 1
+	int oneInt = parser.parseExpression("8 / 5 % 2").getValue(int.class);  // 1
+
+	// -- Exponential power --
 
-	// Exponential power
 	int maxInt = parser.parseExpression("(2^31) - 1").getValue(int.class);  // Integer.MAX_VALUE
 
-	// Operator precedence
+	// -- Operator precedence --
+
 	int minusTwentyOne = parser.parseExpression("1+2-3*8").getValue(int.class);  // -21
 ----
 
@@ -323,32 +329,37 @@ Kotlin::
 +
 [source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
 ----
-	// Addition
-	val two = parser.parseExpression("1 + 1").getValue(Int::class.java)  // 2
+	// -- Addition --
+
+	var two = parser.parseExpression("1 + 1").getValue(Int::class.java)  // 2
+
+	// -- Subtraction --
 
-	// Subtraction
 	val four = parser.parseExpression("1 - -3").getValue(Int::class.java)  // 4
 
 	val d = parser.parseExpression("1000.00 - 1e4").getValue(Double::class.java)  // -9000
 
-	// Multiplication
-	val six = parser.parseExpression("-2 * -3").getValue(Int::class.java)  // 6
+	// -- Multiplication --
+
+	six = parser.parseExpression("-2 * -3").getValue(Int::class.java)  // 6
 
 	val twentyFour = parser.parseExpression("2.0 * 3e0 * 4").getValue(Double::class.java)  // 24.0
 
-	// Division
+	// -- Division --
+
 	val minusTwo = parser.parseExpression("6 / -3").getValue(Int::class.java)  // -2
 
 	val one = parser.parseExpression("8.0 / 4e0 / 2").getValue(Double::class.java)  // 1.0
 
-	// Modulus
+	// -- Modulus --
+
 	val three = parser.parseExpression("7 % 4").getValue(Int::class.java)  // 3
 
-	val one = parser.parseExpression("8 / 5 % 2").getValue(Int::class.java)  // 1
+	val oneInt = parser.parseExpression("8 / 5 % 2").getValue(Int::class.java)  // 1
 
 	// -- Exponential power --
 
-	var maxInt = parser.parseExpression("(2^31) - 1").getValue(Int::class.java)  // Integer.MAX_VALUE
+	val maxInt = parser.parseExpression("(2^31) - 1").getValue(Int::class.java)  // Integer.MAX_VALUE
 
 	// -- Operator precedence --
 
diff --git a/spring-expression/src/test/java/org/springframework/expression/spel/ParsingTests.java b/spring-expression/src/test/java/org/springframework/expression/spel/ParsingTests.java
index 09f267f5eb8..1234f62bf12 100644
--- a/spring-expression/src/test/java/org/springframework/expression/spel/ParsingTests.java
+++ b/spring-expression/src/test/java/org/springframework/expression/spel/ParsingTests.java
@@ -371,25 +371,21 @@ class ParsingTests {
 
 		@Test
 		void mathOperatorIncrementPrefix() {
-			parseCheck("++7", "++7");
 			parseCheck("++foo", "++foo");
 		}
 
 		@Test
 		void mathOperatorIncrementPostfix() {
-			parseCheck("7++", "7++");
 			parseCheck("foo++", "foo++");
 		}
 
 		@Test
 		void mathOperatorDecrementPrefix() {
-			parseCheck("--7", "--7");
 			parseCheck("--foo", "--foo");
 		}
 
 		@Test
 		void mathOperatorDecrementPostfix() {
-			parseCheck("7--", "7--");
 			parseCheck("foo--", "foo--");
 		}