Fix the help script.

Test: m help
Change-Id: I5ed6357de4ed4e59d2f1337aefe0104b113869fe

Author: gyias

Diff for: help.sh

@@ -18,7 +18,7 @@ Usage of "m" imitates usage of the program "make".
 See '"${SCRIPT_DIR}"'/Usage.txt for more info about build usage and concepts.
 
 The parallelism of the build can be set with a -jN argument to "m".  If you
-don't provide a -j argument, the build system automatically selects a parallel
+don'\''t provide a -j argument, the build system automatically selects a parallel
 task count that it thinks is optimal for your system.
 
 Common goals are: