diff --git a/AUTHORS b/AUTHORS
index 42936552f..ee4ef203f 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -377,6 +377,7 @@ Victor Maryama
 Victor Rodriguez
 Victor Uriarte
 Vidar T. Fauske
+Vijay Arora
 Virgil Dupras
 Vitaly Lashmanov
 Vivaan Verma
diff --git a/changelog/9146.doc.rst b/changelog/9146.doc.rst
new file mode 100644
index 000000000..95189b96d
--- /dev/null
+++ b/changelog/9146.doc.rst
@@ -0,0 +1 @@
+Improve Documentation for `caplog.set_level`.
diff --git a/src/_pytest/logging.py b/src/_pytest/logging.py
index 6381e86b0..838134660 100644
--- a/src/_pytest/logging.py
+++ b/src/_pytest/logging.py
@@ -515,7 +515,9 @@ class LogCaptureFixture:
         return original_disable_level
 
     def set_level(self, level: Union[int, str], logger: Optional[str] = None) -> None:
-        """Set the level of a logger for the duration of a test.
+        """Set the threshold level of a logger for the duration of a test.
+
+        Logging messages which are less severe than this level will not be captured.
 
         .. versionchanged:: 3.4
             The levels of the loggers changed by this function will be