diff --git a/docs/manual/developer/10_stabilization_phase.md b/docs/manual/developer/10_stabilization_phase.md
index 3a1d6ff9cc3..df0e6056a4f 100644
--- a/docs/manual/developer/10_stabilization_phase.md
+++ b/docs/manual/developer/10_stabilization_phase.md
@@ -1,6 +1,6 @@
 # Stabilization Phase
 
-Stabilization Phase starts on last Monday of the first month of the quarter.
+Stabilization Phase starts on the last Monday of the first month of the quarter.
 
 ## Definition
 A period of time before release, when the project is extensively tested and the only accepted contributions are fixes to issues discovered during stabilization testing.