diff --git a/pytec/tec_qt.py b/pytec/tec_qt.py
index 152b5b7..2a1f253 100644
--- a/pytec/tec_qt.py
+++ b/pytec/tec_qt.py
@@ -143,7 +143,7 @@ class ClientWatcher(QObject):
 
 
 class ChannelGraphs:
-    """Manager of the two graphs of a channel, and its elements."""
+    """Manager of a channel's two graphs and their elements."""
 
     """The maximum number of sample points to store."""
     DEFAULT_MAX_SAMPLES = 1000