diff --git a/spring-core/src/main/java/org/springframework/core/CollectionFactory.java b/spring-core/src/main/java/org/springframework/core/CollectionFactory.java
index 80cbb3df913..e0a99076103 100644
--- a/spring-core/src/main/java/org/springframework/core/CollectionFactory.java
+++ b/spring-core/src/main/java/org/springframework/core/CollectionFactory.java
@@ -43,7 +43,7 @@ import org.springframework.util.MultiValueMap;
 import org.springframework.util.ReflectionUtils;
 
 /**
- * Factory for collections that is aware of Java 5, Java 6, and Spring collection types.
+ * Factory for collections that is aware of common Java and Spring collection types.
  *
  * <p>Mainly for internal use within the framework.
  *
diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobStreamingResultSetExtractor.java b/spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobStreamingResultSetExtractor.java
index 969d5bf8fd0..5427df20526 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobStreamingResultSetExtractor.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/core/support/AbstractLobStreamingResultSetExtractor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -80,7 +80,7 @@ public abstract class AbstractLobStreamingResultSetExtractor<T> implements Resul
 				}
 			}
 			catch (IOException ex) {
-				throw new LobRetrievalFailureException("Couldn't stream LOB content", ex);
+				throw new LobRetrievalFailureException("Could not stream LOB content", ex);
 			}
 		}
 		return null;
diff --git a/spring-jdbc/src/main/java/org/springframework/jdbc/object/SqlFunction.java b/spring-jdbc/src/main/java/org/springframework/jdbc/object/SqlFunction.java
index 0811e7206d8..4a4a52f1081 100644
--- a/spring-jdbc/src/main/java/org/springframework/jdbc/object/SqlFunction.java
+++ b/spring-jdbc/src/main/java/org/springframework/jdbc/object/SqlFunction.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -161,7 +161,7 @@ public class SqlFunction<T> extends MappingSqlQuery<T> {
 	public int run(Object... parameters) {
 		Object obj = super.findObject(parameters);
 		if (!(obj instanceof Number)) {
-			throw new TypeMismatchDataAccessException("Couldn't convert result object [" + obj + "] to int");
+			throw new TypeMismatchDataAccessException("Could not convert result object [" + obj + "] to int");
 		}
 		return ((Number) obj).intValue();
 	}
diff --git a/spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java b/spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java
index 9ce94ca173d..2f383e402a3 100644
--- a/spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java
+++ b/spring-oxm/src/main/java/org/springframework/oxm/jaxb/Jaxb2Marshaller.java
@@ -1019,7 +1019,7 @@ public class Jaxb2Marshaller implements MimeMarshaller, MimeUnmarshaller, Generi
 				return FileCopyUtils.copyToByteArray(dataHandler.getInputStream());
 			}
 			catch (IOException ex) {
-				throw new UnmarshallingFailureException("Couldn't read attachment", ex);
+				throw new UnmarshallingFailureException("Could not read attachment", ex);
 			}
 		}
 
diff --git a/spring-tx/src/main/java/org/springframework/transaction/interceptor/MethodMapTransactionAttributeSource.java b/spring-tx/src/main/java/org/springframework/transaction/interceptor/MethodMapTransactionAttributeSource.java
index 4355d6818b7..02acd390add 100644
--- a/spring-tx/src/main/java/org/springframework/transaction/interceptor/MethodMapTransactionAttributeSource.java
+++ b/spring-tx/src/main/java/org/springframework/transaction/interceptor/MethodMapTransactionAttributeSource.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -153,7 +153,7 @@ public class MethodMapTransactionAttributeSource
 		}
 		if (matchingMethods.isEmpty()) {
 			throw new IllegalArgumentException(
-					"Couldn't find method '" + mappedName + "' on class [" + clazz.getName() + "]");
+					"Could not find method '" + mappedName + "' on class [" + clazz.getName() + "]");
 		}
 
 		// Register all matching methods