--- a/RunArray.st	Thu Jul 21 17:05:54 2016 +0200
+++ b/RunArray.st	Thu Jul 21 19:05:30 2016 +0200
@@ -1237,7 +1237,7 @@
 
 size
     "Answer how many elements the receiver contains.
-     Thsi is not the number of runs (but the simulated number of elements)."
+     This is not the number of runs (but the simulated number of elements)."
 
     |n     "{ Class: SmallInteger }"
      runSz "{ Class: SmallInteger }"|