Update examples/step-68/doc/results.dox

Co-authored-by: Rene Gassmoeller <rene.gassmoeller@mailbox.org>

diff --git a/examples/step-68/doc/results.dox b/examples/step-68/doc/results.dox
index b7c8d2e4df859a63723f07ac4d52e6e75b534199..ddce806b29e3357fb04725442315addcb69bae03 100644 (file)
--- a/examples/step-68/doc/results.dox
+++ b/examples/step-68/doc/results.dox
@@ -102,7 +102,7 @@ the coarseness of the background mesh.
 
 <h3>Possibilities for extensions</h3>
 
-This steps highlights some of the main capabilities of particle, notably their
+This steps highlights some of the main capabilities of particles, notably their
 capacity to be use in distributed parallel simulations. However, this step could
 be exteded in numerous manners:
 - High-order time integration (for example using a Runge-Kutta 4 method) could be