diff --git a/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/rules/chapter2/kdoc/KdocComments.kt b/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/rules/chapter2/kdoc/KdocComments.kt
index 04007d436f..0fb36399ce 100644
--- a/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/rules/chapter2/kdoc/KdocComments.kt
+++ b/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/rules/chapter2/kdoc/KdocComments.kt
@@ -191,7 +191,7 @@ class KdocComments(configRules: List<RulesConfig>) : DiktatRule(
                 val warningText = "change `${paramOrPropertySwitchText.first}` tag to `${paramOrPropertySwitchText.second}` tag for <$parameterName> to KDoc"
 
                 KDOC_NO_CONSTRUCTOR_PROPERTY.warnAndFix(configRules, emitWarn, isFixMode, warningText, node.startOffset, node) {
-                    replaceWrongTagInClassKdoc(kdocBeforeClass, parameterName, isParamTagNeeded)
+                    kdocBeforeClass.replaceWrongTagInClassKdoc(parameterName, isParamTagNeeded)
                 }
             }
         } ?: run {
@@ -218,29 +218,6 @@ class KdocComments(configRules: List<RulesConfig>) : DiktatRule(
                 (isTypeParameterNode && configuration.isParamTagsForGenericTypes)
     }
 
-    private fun replaceWrongTagInClassKdoc(
-        kdocBeforeClass: ASTNode,
-        parameterName: String,
-        isParamTagNeeded: Boolean
-    ) {
-        val paramOrPropertySwitchText = if (isParamTagNeeded) "@property" to "@param" else "@param" to "@property"
-        val wrongTagText = "* ${paramOrPropertySwitchText.first} $parameterName"
-        val replaceText = "* ${paramOrPropertySwitchText.second} $parameterName"
-
-        changeTagInKdoc(kdocBeforeClass, wrongTagText, replaceText)
-    }
-
-    @Suppress("UnsafeCallOnNullableType")
-    private fun changeTagInKdoc(
-        kdocBeforeClass: ASTNode,
-        wrongTagText: String,
-        correctTagText: String
-    ) {
-        val allKdocText = kdocBeforeClass.text
-        val newKdocText = allKdocText.replaceFirst(wrongTagText, correctTagText)
-        kdocBeforeClass.treeParent.replaceChild(kdocBeforeClass, KotlinParser().createNode(newKdocText).findChildByType(KDOC)!!)
-    }
-
     private fun checkKdocBeforeClass(
         node: ASTNode,
         kdocBeforeClass: ASTNode,
@@ -371,7 +348,7 @@ class KdocComments(configRules: List<RulesConfig>) : DiktatRule(
                 appendKdocTagContent(parameterInClassKdoc, parameterName, commentText)
 
                 if (isHasWrongTag) {
-                    replaceWrongTagInClassKdoc(kdocBeforeClass, parameterName, isParamTagNeeded)
+                    kdocBeforeClass.replaceWrongTagInClassKdoc(parameterName, isParamTagNeeded)
                 }
 
                 node.removeWithWhiteSpace(prevComment)
@@ -413,7 +390,7 @@ class KdocComments(configRules: List<RulesConfig>) : DiktatRule(
                 appendKdocTagContent(parameterInClassKdoc, parameterName, createClassKdocTextFromEolComment(prevComment))
 
                 if (isHasWrongTag) {
-                    replaceWrongTagInClassKdoc(kdocBeforeClass, parameterName, isParamTagNeeded)
+                    kdocBeforeClass.replaceWrongTagInClassKdoc(parameterName, isParamTagNeeded)
                 }
 
                 node.treeParent.removeChildMergingSurroundingWhitespaces(prevComment.treePrev, prevComment, prevComment.treeNext)
diff --git a/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/utils/KdocUtils.kt b/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/utils/KdocUtils.kt
index 6bfa3aeea4..9c6f474d5b 100644
--- a/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/utils/KdocUtils.kt
+++ b/diktat-rules/src/main/kotlin/com/saveourtool/diktat/ruleset/utils/KdocUtils.kt
@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.CompositeElement
 import org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.LeafPsiElement
 import org.jetbrains.kotlin.com.intellij.psi.impl.source.tree.PsiWhiteSpaceImpl
 import org.jetbrains.kotlin.kdoc.lexer.KDocTokens
+import org.jetbrains.kotlin.kdoc.lexer.KDocTokens.KDOC
 import org.jetbrains.kotlin.kdoc.parser.KDocElementTypes
 import org.jetbrains.kotlin.kdoc.parser.KDocKnownTag
 import org.jetbrains.kotlin.kdoc.psi.impl.KDocTag
@@ -77,3 +78,36 @@ inline fun ASTNode.insertTagBefore(
     kdocSection.addChild(newTag, beforeTagLineStart)
     consumer(newTag)
 }
+
+/**
+ * This method replaces wrong tag in class KDoc leaving [parameterName] unchanged.
+ *
+ * @param parameterName name of class parameter
+ * @param isParamTagNeeded true, in case we need to change the tag to `@param`
+ */
+fun ASTNode.replaceWrongTagInClassKdoc(
+    parameterName: String,
+    isParamTagNeeded: Boolean
+) {
+    val paramOrPropertySwitchText = if (isParamTagNeeded) "@property" to "@param" else "@param" to "@property"
+    val wrongTagText = "* ${paramOrPropertySwitchText.first} $parameterName"
+    val replaceText = "* ${paramOrPropertySwitchText.second} $parameterName"
+
+    this.replaceFirstTextInKdoc(wrongTagText, replaceText)
+}
+
+/**
+ * This method replaces the first occurrence of text in class KDoc.
+ *
+ * @param wrongText text to replace
+ * @param correctText replacement text
+ */
+@Suppress("UnsafeCallOnNullableType")
+fun ASTNode.replaceFirstTextInKdoc(
+    wrongText: String,
+    correctText: String
+) {
+    val allKdocText = this.text
+    val newKdocText = allKdocText.replaceFirst(wrongText, correctText)
+    this.treeParent.replaceChild(this, KotlinParser().createNode(newKdocText).findChildByType(KDOC)!!)
+}