diff --git a/clang/docs/ClangFormatStyleOptions.rst b/clang/docs/ClangFormatStyleOptions.rst
--- a/clang/docs/ClangFormatStyleOptions.rst
+++ b/clang/docs/ClangFormatStyleOptions.rst
@@ -1191,14 +1191,14 @@
       };
 
   * ``SLS_Inline`` (in configuration: ``Inline``)
-    Merge lambda into a single line if argument of a function.
+    Merge lambda into a single line if the lambda is argument of a function.
 
     .. code-block:: c++
 
-      auto lambda = [](int a) {
-          return a;
+      auto lambda = [](int x, int y) {
+          return x < y;
       };
-      sort(a.begin(), a.end(), []() { return x < y; });
+      sort(a.begin(), a.end(), [](int x, int y) { return x < y; });
 
   * ``SLS_All`` (in configuration: ``All``)
     Merge all lambdas fitting on a single line.
diff --git a/clang/include/clang/Format/Format.h b/clang/include/clang/Format/Format.h
--- a/clang/include/clang/Format/Format.h
+++ b/clang/include/clang/Format/Format.h
@@ -688,12 +688,12 @@
     ///   };
     /// \endcode
     SLS_Empty,
-    /// Merge lambda into a single line if argument of a function.
+    /// Merge lambda into a single line if the lambda is argument of a function.
     /// \code
-    ///   auto lambda = [](int a) {
-    ///       return a;
+    ///   auto lambda = [](int x, int y) {
+    ///       return x < y;
     ///   };
-    ///   sort(a.begin(), a.end(), []() { return x < y; });
+    ///   sort(a.begin(), a.end(), [](int x, int y) { return x < y; });
     /// \endcode
     SLS_Inline,
     /// Merge all lambdas fitting on a single line.