diff --git a/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalzer.java b/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzer.java
similarity index 97%
rename from spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalzer.java
rename to spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzer.java
index ec9bc371c25..e4779df6a5d 100644
--- a/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalzer.java
+++ b/spring-boot/src/main/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzer.java
@@ -28,7 +28,7 @@ import org.springframework.boot.diagnostics.FailureAnalyzer;
  *
  * @author Andy Wilkinson
  */
-class ValidationExceptionFailureAnalzer
+class ValidationExceptionFailureAnalyzer
 		extends AbstractFailureAnalyzer<ValidationException> {
 
 	private static final String MISSING_IMPLEMENTATION_MESSAGE = "Unable to create a "
diff --git a/spring-boot/src/main/java/org/springframework/boot/info/GitProperties.java b/spring-boot/src/main/java/org/springframework/boot/info/GitProperties.java
index 54e180475dc..1c8941d1181 100644
--- a/spring-boot/src/main/java/org/springframework/boot/info/GitProperties.java
+++ b/spring-boot/src/main/java/org/springframework/boot/info/GitProperties.java
@@ -51,7 +51,7 @@ public class GitProperties extends InfoProperties {
 	}
 
 	/**
-	 * Return the abbreviated id of the commit oir {@code null}.
+	 * Return the abbreviated id of the commit or {@code null}.
 	 * @return the short commit id
 	 */
 	public String getShortCommitId() {
diff --git a/spring-boot/src/main/java/org/springframework/boot/jackson/JsonObjectDeserializer.java b/spring-boot/src/main/java/org/springframework/boot/jackson/JsonObjectDeserializer.java
index 1e45d672d2b..4414252baa8 100644
--- a/spring-boot/src/main/java/org/springframework/boot/jackson/JsonObjectDeserializer.java
+++ b/spring-boot/src/main/java/org/springframework/boot/jackson/JsonObjectDeserializer.java
@@ -61,17 +61,17 @@ public abstract class JsonObjectDeserializer<T>
 
 	/**
 	 * Deserialize JSON content into the value type this serializer handles.
-	 * @param jasonParser the source parser used for reading JSON content
+	 * @param jsonParser the source parser used for reading JSON content
 	 * @param context Context that can be used to access information about this
 	 * deserialization activity
 	 * @param codec the {@link ObjectCodec} associated with the parser
 	 * @param tree deserialized JSON content as tree expressed using set of
 	 * {@link TreeNode} instances
-	 * @return the dserialized object
+	 * @return the deserialized object
 	 * @throws IOException on error
 	 * @see #deserialize(JsonParser, DeserializationContext)
 	 */
-	protected abstract T deserializeObject(JsonParser jasonParser,
+	protected abstract T deserializeObject(JsonParser jsonParser,
 			DeserializationContext context, ObjectCodec codec, JsonNode tree)
 					throws IOException;
 
diff --git a/spring-boot/src/test/java/org/springframework/boot/context/embedded/DelegatingFilterProxyRegistrationBeanTests.java b/spring-boot/src/test/java/org/springframework/boot/context/embedded/DelegatingFilterProxyRegistrationBeanTests.java
index e4ed4715040..ca72a682ec4 100644
--- a/spring-boot/src/test/java/org/springframework/boot/context/embedded/DelegatingFilterProxyRegistrationBeanTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/context/embedded/DelegatingFilterProxyRegistrationBeanTests.java
@@ -38,7 +38,7 @@ public class DelegatingFilterProxyRegistrationBeanTests
 		extends AbstractFilterRegistrationBeanTests {
 
 	private WebApplicationContext applicationContext = new GenericWebApplicationContext(
-			new MockServletContext());;
+			new MockServletContext());
 
 	@Test
 	public void targetBeanNameMustNotBeNull() throws Exception {
diff --git a/spring-boot/src/test/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzerTests.java b/spring-boot/src/test/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzerTests.java
index fb61ba19d1f..14ebd3061f0 100644
--- a/spring-boot/src/test/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzerTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/diagnostics/analyzer/ValidationExceptionFailureAnalyzerTests.java
@@ -30,7 +30,7 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.Assert.fail;
 
 /**
- * Tests for {@link ValidationExceptionFailureAnalzer}
+ * Tests for {@link ValidationExceptionFailureAnalyzer}
  *
  * @author Andy Wilkinson
  */
@@ -45,7 +45,7 @@ public class ValidationExceptionFailureAnalyzerTests {
 			fail("Expected failure did not occur");
 		}
 		catch (Exception ex) {
-			FailureAnalysis analysis = new ValidationExceptionFailureAnalzer()
+			FailureAnalysis analysis = new ValidationExceptionFailureAnalyzer()
 					.analyze(ex);
 			assertThat(analysis).isNotNull();
 		}
diff --git a/spring-boot/src/test/java/org/springframework/boot/jackson/JsonObjectDeserializerTests.java b/spring-boot/src/test/java/org/springframework/boot/jackson/JsonObjectDeserializerTests.java
index 6192db76710..14400496621 100644
--- a/spring-boot/src/test/java/org/springframework/boot/jackson/JsonObjectDeserializerTests.java
+++ b/spring-boot/src/test/java/org/springframework/boot/jackson/JsonObjectDeserializerTests.java
@@ -197,7 +197,7 @@ public class JsonObjectDeserializerTests {
 	static class TestJsonObjectDeserializer<T> extends JsonObjectDeserializer<T> {
 
 		@Override
-		protected T deserializeObject(JsonParser jasonParser,
+		protected T deserializeObject(JsonParser jsonParser,
 				DeserializationContext context, ObjectCodec codec, JsonNode tree)
 						throws IOException {
 			return null;
diff --git a/spring-boot/src/test/java/org/springframework/boot/jackson/NameAndAgeJsonComponent.java b/spring-boot/src/test/java/org/springframework/boot/jackson/NameAndAgeJsonComponent.java
index d8fb9f65f1e..0bba846da9d 100644
--- a/spring-boot/src/test/java/org/springframework/boot/jackson/NameAndAgeJsonComponent.java
+++ b/spring-boot/src/test/java/org/springframework/boot/jackson/NameAndAgeJsonComponent.java
@@ -47,7 +47,7 @@ public class NameAndAgeJsonComponent {
 	public static class Deserializer extends JsonObjectDeserializer<NameAndAge> {
 
 		@Override
-		protected NameAndAge deserializeObject(JsonParser jasonParser,
+		protected NameAndAge deserializeObject(JsonParser jsonParser,
 				DeserializationContext context, ObjectCodec codec, JsonNode tree)
 						throws IOException {
 			String name = nullSafeValue(tree.get("name"), String.class);