diff --git a/libraries/stdlib/common/src/kotlin/MathH.kt b/libraries/stdlib/common/src/kotlin/MathH.kt
index 5aa9682c6d3..ec7160590e8 100644
--- a/libraries/stdlib/common/src/kotlin/MathH.kt
+++ b/libraries/stdlib/common/src/kotlin/MathH.kt
@@ -275,7 +275,7 @@ public expect fun ln1p(x: Double): Double
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest double value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest double value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -286,7 +286,7 @@ public expect fun ceil(x: Double): Double
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest double value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest double value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -736,7 +736,7 @@ public expect fun ln1p(x: Float): Float
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest Float value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest Float value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -747,7 +747,7 @@ public expect fun ceil(x: Float): Float
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest Float value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest Float value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
diff --git a/libraries/stdlib/js/src/kotlin/math.kt b/libraries/stdlib/js/src/kotlin/math.kt
index bf9aa1b3c8e..f519153d131 100644
--- a/libraries/stdlib/js/src/kotlin/math.kt
+++ b/libraries/stdlib/js/src/kotlin/math.kt
@@ -289,7 +289,7 @@ public actual inline fun ln1p(x: Double): Double = nativeMath.log1p(x)
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest double value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest double value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -301,7 +301,7 @@ public actual inline fun ceil(x: Double): Double = nativeMath.ceil(x).unsafeCast
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest double value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest double value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -824,7 +824,7 @@ public actual inline fun ln1p(x: Float): Float = nativeMath.log1p(x.toDouble()).
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest Float value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest Float value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -836,7 +836,7 @@ public actual inline fun ceil(x: Float): Float = nativeMath.ceil(x.toDouble()).t
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest Float value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest Float value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
diff --git a/libraries/stdlib/jvm/src/kotlin/util/MathJVM.kt b/libraries/stdlib/jvm/src/kotlin/util/MathJVM.kt
index d207cca5c9b..01bab9d9860 100644
--- a/libraries/stdlib/jvm/src/kotlin/util/MathJVM.kt
+++ b/libraries/stdlib/jvm/src/kotlin/util/MathJVM.kt
@@ -371,7 +371,7 @@ public actual inline fun ln1p(x: Double): Double = nativeMath.log1p(x)
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest double value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest double value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -383,7 +383,7 @@ public actual inline fun ceil(x: Double): Double = nativeMath.ceil(x)
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest double value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest double value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -901,7 +901,7 @@ public actual inline fun ln1p(x: Float): Float = nativeMath.log1p(x.toDouble()).
 /**
  * Rounds the given value [x] to an integer towards positive infinity.
 
- * @return the smallest Float value that is greater than the given value [x] and is a mathematical integer.
+ * @return the smallest Float value that is greater than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `ceil(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.
@@ -913,7 +913,7 @@ public actual inline fun ceil(x: Float): Float = nativeMath.ceil(x.toDouble()).t
 /**
  * Rounds the given value [x] to an integer towards negative infinity.
 
- * @return the largest Float value that is smaller than the given value [x] and is a mathematical integer.
+ * @return the largest Float value that is smaller than or equal to the given value [x] and is a mathematical integer.
  *
  * Special cases:
  *   - `floor(x)` is `x` where `x` is `NaN` or `+Inf` or `-Inf` or already a mathematical integer.