Fix typos.

llvm-svn: 212132
diff --git a/lldb/source/Commands/CommandObjectCommands.cpp b/lldb/source/Commands/CommandObjectCommands.cpp
index e3e113a..7942c8f 100644
--- a/lldb/source/Commands/CommandObjectCommands.cpp
+++ b/lldb/source/Commands/CommandObjectCommands.cpp
@@ -889,7 +889,7 @@
         SetHelpLong(
 "This command allows the user to create powerful regular expression commands\n"
 "with substitutions. The regular expressions and substitutions are specified\n"
-"using the regular exression substitution format of:\n"
+"using the regular expression substitution format of:\n"
 "\n"
 "    s/<regex>/<subst>/\n"
 "\n"
diff --git a/lldb/source/Commands/CommandObjectExpression.cpp b/lldb/source/Commands/CommandObjectExpression.cpp
index bfce324..4a92f48 100644
--- a/lldb/source/Commands/CommandObjectExpression.cpp
+++ b/lldb/source/Commands/CommandObjectExpression.cpp
@@ -206,7 +206,7 @@
 {
   SetHelpLong(
 "Timeouts:\n\
-    If the expression can be evaluated statically (without runnning code) then it will be.\n\
+    If the expression can be evaluated statically (without running code) then it will be.\n\
     Otherwise, by default the expression will run on the current thread with a short timeout:\n\
     currently .25 seconds.  If it doesn't return in that time, the evaluation will be interrupted\n\
     and resumed with all threads running.  You can use the -a option to disable retrying on all\n\
diff --git a/lldb/source/Commands/CommandObjectSettings.cpp b/lldb/source/Commands/CommandObjectSettings.cpp
index c533874..c7675fe 100644
--- a/lldb/source/Commands/CommandObjectSettings.cpp
+++ b/lldb/source/Commands/CommandObjectSettings.cpp
@@ -1155,7 +1155,7 @@
 
         if (argc != 1)
         {
-            result.AppendError ("'setttings clear' takes exactly one argument");
+            result.AppendError ("'settings clear' takes exactly one argument");
             result.SetStatus (eReturnStatusFailed);
             return false;
         }