diff --git a/README.md b/README.md
index 9dc89bc..58812ad 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ Matches are case sensitive regular expressions between implicit ^ and $:
 - `.*` matches any number of any characters
 - `.+` matches 1 or more any characters.
 - `word` is an exact match.
-- Use escapes `\` to match special characters, e.g. `org\.kde\.Dolpin`
+- Use escapes `\` to match special characters, e.g. `org\.kde\.Dolphin`
 
 #### Captures
 
diff --git a/watchers/src/report_client.rs b/watchers/src/report_client.rs
index 85c12de..4016695 100644
--- a/watchers/src/report_client.rs
+++ b/watchers/src/report_client.rs
@@ -95,7 +95,7 @@ impl ReportClient {
             return Ok(());
         }
 
-        let interval_margin = self.config.poll_time_idle.as_secs_f64() + 1.0;
+        let interval_margin = self.config.poll_time_window.as_secs_f64() + 1.0;
         self.client
             .heartbeat(&self.active_window_bucket_name, &event, interval_margin)
             .await