diff --git a/src/engine.js b/src/engine.js
index f8e1f64..4a949ac 100644
--- a/src/engine.js
+++ b/src/engine.js
@@ -122,7 +122,7 @@ class Engine extends EventEmitter {
   }
 
   /**
-   * Add a fact definition to the engine.  Facts are called by rules as they are evaluated.
+   * Remove a fact definition to the engine.  Facts are called by rules as they are evaluated.
    * @param {object|Fact} id - fact identifier or instance of Fact
    */
   removeFact (factOrId) {