diff --git a/lldb/source/Commands/CommandObjectBreakpoint.cpp b/lldb/source/Commands/CommandObjectBreakpoint.cpp
index 9775cd4..24ecc19 100644
--- a/lldb/source/Commands/CommandObjectBreakpoint.cpp
+++ b/lldb/source/Commands/CommandObjectBreakpoint.cpp
@@ -989,7 +989,7 @@
 {
 { LLDB_OPT_SET_ALL, false, "ignore-count", 'i', required_argument, NULL, 0, eArgTypeCount, "Set the number of times this breakpoint is skipped before stopping." },
 { LLDB_OPT_SET_ALL, false, "one-shot",     'o', required_argument, NULL, 0, eArgTypeBoolean, "The breakpoint is deleted the first time it stop causes a stop." },
-{ LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, 0, eArgTypeThreadIndex, "The breakpoint stops only for the thread whose indeX matches this argument."},
+{ LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, 0, eArgTypeThreadIndex, "The breakpoint stops only for the thread whose index matches this argument."},
 { LLDB_OPT_SET_ALL, false, "thread-id",    't', required_argument, NULL, 0, eArgTypeThreadID, "The breakpoint stops only for the thread whose TID matches this argument."},
 { LLDB_OPT_SET_ALL, false, "thread-name",  'T', required_argument, NULL, 0, eArgTypeThreadName, "The breakpoint stops only for the thread whose thread name matches this argument."},
 { LLDB_OPT_SET_ALL, false, "queue-name",   'q', required_argument, NULL, 0, eArgTypeQueueName, "The breakpoint stops only for threads in the queue whose name is given by this argument."},