1 files changed, 4 insertions, 2 deletions
diff --git a/Source/cmExecProgramCommand.h b/Source/cmExecProgramCommand.h
index 846f2e7..a039add 100644
--- a/Source/cmExecProgramCommand.h
+++ b/Source/cmExecProgramCommand.h
@@ -69,8 +69,10 @@ public:
       "can include arguments if it is double quoted, but it is better to use the "
       "optional ARGS argument to specify arguments to the program.   This is because "
       "cmake will then be able to escape spaces in the Executable path.  An optiona "
-      "argument OUPUT_VARIABLE specifies a variable to which the output will be set. "
-      "To capture the return value of the execution, use RETURN_VALUE variable.";
+      "argument OUTPUT_VARIABLE specifies a variable to which the output will be set. "
+      "To capture the return value of the execution, use RETURN_VALUE variable. "
+      "If OUTPUT_VARIABLE is specified, then no output will go to the stdout/stderr "
+      "of the console running cmake.";
     }
   
   cmTypeMacro(cmExecProgramCommand, cmCommand);