diff --git a/src/jdk.compiler/share/classes/module-info.java b/src/jdk.compiler/share/classes/module-info.java
index 7974f8cd6a3..85458109604 100644
--- a/src/jdk.compiler/share/classes/module-info.java
+++ b/src/jdk.compiler/share/classes/module-info.java
@@ -162,6 +162,7 @@ import javax.tools.StandardLocation;
  * <tr><th scope="row">{@code fallthrough}          <td>falling through from one case of a {@code switch} statement to
  *                                                      the next
  * <tr><th scope="row">{@code finally}              <td>{@code finally} clauses that do not terminate normally
+ * <tr><th scope="row">{@code lossy-conversions}    <td>possible lossy conversions in compound assignment
  * <tr><th scope="row">{@code missing-explicit-ctor} <td>missing explicit constructors in public and protected classes
  *                                                      in exported packages
  * <tr><th scope="row">{@code module}               <td>module system related issues
diff --git a/src/jdk.compiler/share/man/javac.1 b/src/jdk.compiler/share/man/javac.1
index 945e9fd78f2..39b57403d41 100644
--- a/src/jdk.compiler/share/man/javac.1
+++ b/src/jdk.compiler/share/man/javac.1
@@ -722,6 +722,9 @@ a switch statement to the next.
 \f[V]finally\f[R]: Warns about \f[V]finally\f[R] clauses that do not
 terminate normally.
 .IP \[bu] 2
+\f[V]lossy-conversions\f[R]: Warns about possible lossy conversion in
+compound assignment.
+.IP \[bu] 2
 \f[V]missing-explicit-ctor\f[R]: Warns about missing explicit
 constructors in public and protected classes in exported packages.
 .IP \[bu] 2