diff --git a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
index e8077fa4792ec..5ab44c0199ea8 100644
--- a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
+++ b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/nfa/compiler/NFACompiler.java
@@ -226,7 +226,7 @@ private void checkPatternNameUniqueness() {
 		/**
 		 * Creates the Start {@link State} of the resulting NFA graph.
 		 *
-		 * @param sinkState the state that Start state should point to (alwyas first state of middle states)
+		 * @param sinkState the state that Start state should point to (always first state of middle states)
 		 * @return created state
 		 */
 		@SuppressWarnings("unchecked")
diff --git a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/pattern/Pattern.java b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/pattern/Pattern.java
index 14c3e2d24191c..92b655e090744 100644
--- a/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/pattern/Pattern.java
+++ b/flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/pattern/Pattern.java
@@ -151,7 +151,7 @@ public <S extends F> Pattern<T, S> subtype(final Class<S> subtypeClass) {
 	 * between first and the last event must not be longer than the window time.
 	 *
 	 * @param windowTime Time of the matching window
-	 * @return The same pattenr operator with the new window length
+	 * @return The same pattern operator with the new window length
 	 */
 	public Pattern<T, F> within(Time windowTime) {
 		if (windowTime != null) {