Cleaned up comment in the SymLocator cmake file

Author: Kevin Frei

lldb/source/Plugins/SymbolLocator/CMakeLists.txt

@@ -1,8 +1,8 @@
-# Order matters here, as the first symbol locator will prevent further
-# searching. For DWARF binaries that are both stripped & split, the Default
-# plugin will return the stripped binary when asked for the ObjectFile,
-# preventing an unstripped binary from being requested from the Debuginfod
-# provider
+# Order matters here: the first symbol locator prevents further searching.
+# For DWARF binaries that are both stripped and split, the Default plugin
+# will return the stripped binary when asked for the ObjectFile, which then
+# prevents an unstripped binary from being requested from the Debuginfod
+# provider.
 add_subdirectory(Debuginfod)
 add_subdirectory(Default)
 if (CMAKE_SYSTEM_NAME MATCHES "Darwin")