Fix a typo

Author: prokoudine

roadmap/index.md

@@ -10,7 +10,7 @@ The roadmap provides broad objectives for the direction of FreeCAD development.
 
 This document describes several high-level objectives for the FreeCAD project.  Rather than being a laundry list of development tasks, it focuses on a small set of strategic initiatives that, if achieved, will move FreeCAD closer to an ideal future state.
 
-You can read more about the [rationale for having a roadmad](rationale.md)
+You can read more about the [rationale for having a roadmap](rationale.md).
 
 This roadmap outlines broad strategic objectives. Code contributions from developers will always be evaluated on their merits but are more likely to receive timely attention and be successfully merged if they are consistent with the stated objectives of this roadmap.