spelling fixes

Signed-off-by: Jared Van Bortel <jared@nomic.ai>

gpt4all-backend/llamamodel.cpp

@@ -32,7 +32,7 @@
 #include "ggml-kompute.h"
 #endif
 
-// Maximum suppored GGUF version
+// Maximum supported GGUF version
 static constexpr int GGUF_VER_MAX = 3;
 
 namespace {

gpt4all-chat/main.cpp

@@ -63,8 +63,8 @@ int main(int argc, char *argv[])
     }
 #endif
 
-    // make sure ChatLLM threads are joined before global destuctors run
-    // otherwise, we can get a heap-use-after-free inside of llama.cpp
+    // Make sure ChatLLM threads are joined before global destructors run.
+    // Otherwise, we can get a heap-use-after-free inside of llama.cpp.
     ChatListModel::globalInstance()->clearChats();
 
     return app.exec();