Update docs/getting_started.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: lpanaf

docs/getting_started.md

@@ -48,5 +48,5 @@ using the `--GlobalPositioning.max_num_iterations` and
 #### Enable GPU-based solver
 
 If Ceres 2.3 or above is installed and the cuDSS are installed, GLOMAP supports GPU
-accelerated optimization process now. The process can be largely speed up with flags
+accelerated optimization process now. The process can be largely sped up with flags
 `--GlobalPositioning.use_gpu 1 --BundleAdjustment.use_gpu`.