[doc] Fix a typo in the graphlib docs (#22030)

diff --git a/Doc/library/graphlib.rst b/Doc/library/graphlib.rst
index 820615e72301576fd1752945b314dca0d7a2d87c..0faca2186b268cc5ac66e144952574b5f6ef01ee 100644 (file)
--- a/Doc/library/graphlib.rst
+++ b/Doc/library/graphlib.rst
@@ -121,7 +121,7 @@
           if ts.is_active():
               ...
 
-      if possible to simply do::
+      it is possible to simply do::
 
           if ts:
               ...