diff --git a/CHANGELOG.md b/CHANGELOG.md
index ae97a0a..3c243d0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,8 +19,11 @@
 
 * Build failures for certain combinations of enabled and disabled
   plugins ([#239][239]).
+* Documentation for the `cpu` module; `interval` has been renamed to
+  `poll-interval` ([#241][241]).
 
 [239]: https://codeberg.org/dnkl/yambar/issues/239
+[241]: https://codeberg.org/dnkl/yambar/issues/241
 
 
 ### Security
diff --git a/doc/yambar-modules-cpu.5.scd b/doc/yambar-modules-cpu.5.scd
index 1b4219e..bfd9357 100644
--- a/doc/yambar-modules-cpu.5.scd
+++ b/doc/yambar-modules-cpu.5.scd
@@ -28,7 +28,7 @@ total CPU usage.
 :[ *Type*
 :[ *Req*
 :< *Description*
-|  interval
+|  poll-interval
 :  int
 :  no
 :  Refresh interval of the CPU usage stats in ms (default=500). Cannot
@@ -41,7 +41,7 @@ total CPU usage.
 bar:
   left:
     - cpu:
-        interval: 2500
+        poll-interval: 2500
         content:
           map:
             conditions:
@@ -55,7 +55,7 @@ bar:
 bar:
   left:
     - cpu:
-        interval: 2500
+        poll-interval: 2500
         content:
           map:
             conditions: