docs: fix typos

Author: giladgd

docs/blog/v3.12-gpt-oss.md

@@ -24,7 +24,7 @@ image:
 
 Here are a few highlights of these models:
 * Due to the low number of active parameters, these models are very fast
-* These are reasoning models, and you can adjust their reasoning efforts
+* These are reasoning models, and you can adjust their reasoning effort
 * They are very good at function calling, and are built with agentic capabilities in mind
 * These models were trained with native MXFP4 precision, so no need to quantize them further.
   They're small compared to their capabilities already
@@ -74,7 +74,7 @@ but offers better precision and thus better quality.
 To quickly try out [`gpt-oss-20b`](https://huggingface.co/giladgd/gpt-oss-20b-GGUF), you can use the [CLI `chat` command](../cli/chat.md):
 
 ```shell
-npx -y node-llama-cpp chat --ef --prompt "Hi there" hf:giladgd/gpt-oss-20b-GGUF/gpt-oss-20b.MXFP4.gguf
+npx -y node-llama-cpp chat --prompt "Hi there" hf:giladgd/gpt-oss-20b-GGUF/gpt-oss-20b.MXFP4.gguf
 ```