diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/OperationParameters.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/OperationParameters.java
index 100b335dac1..42046d4378f 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/OperationParameters.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/OperationParameters.java
@@ -43,12 +43,12 @@ public interface OperationParameters extends Iterable<OperationParameter> {
 	/**
 	 * Return the parameter at the specified index.
 	 * @param index the parameter index
-	 * @return the paramter
+	 * @return the parameter
 	 */
 	OperationParameter get(int index);
 
 	/**
-	 * Return a stream of the contained paramteres.
+	 * Return a stream of the contained parameters.
 	 * @return a stream of the parameters
 	 */
 	Stream<OperationParameter> stream();
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/reflect/OperationMethodParameters.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/reflect/OperationMethodParameters.java
index aa9fbc2f108..fa471032858 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/reflect/OperationMethodParameters.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/invoke/reflect/OperationMethodParameters.java
@@ -48,11 +48,11 @@ class OperationMethodParameters implements OperationParameters {
 		Assert.notNull(method, "Method must not be null");
 		Assert.notNull(parameterNameDiscoverer,
 				"ParameterNameDiscoverer must not be null");
-		String[] paramterNames = parameterNameDiscoverer.getParameterNames(method);
+		String[] parameterNames = parameterNameDiscoverer.getParameterNames(method);
 		Parameter[] parameters = method.getParameters();
-		Assert.state(paramterNames != null,
+		Assert.state(parameterNames != null,
 				"Failed to extract parameter names for " + method);
-		this.operationParameters = getOperationParameters(parameters, paramterNames);
+		this.operationParameters = getOperationParameters(parameters, parameterNames);
 	}
 
 	private List<OperationParameter> getOperationParameters(Parameter[] parameters,
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/MBeanInfoFactory.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/MBeanInfoFactory.java
index 2d874c52c60..4b9ca728097 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/MBeanInfoFactory.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/endpoint/jmx/MBeanInfoFactory.java
@@ -71,7 +71,7 @@ class MBeanInfoFactory {
 		String description = operation.getDescription();
 		MBeanParameterInfo[] signature = getSignature(operation.getParameters());
 		String type = getType(operation.getOutputType());
-		int impact = getImact(operation.getType());
+		int impact = getImpact(operation.getType());
 		return new ModelMBeanOperationInfo(name, description, signature, type, impact);
 	}
 
@@ -85,7 +85,7 @@ class MBeanInfoFactory {
 				parameter.getDescription());
 	}
 
-	private int getImact(OperationType operationType) {
+	private int getImpact(OperationType operationType) {
 		if (operationType == OperationType.READ) {
 			return MBeanOperationInfo.INFO;
 		}