Update _review.md

Author: madeline-underwood

content/learning-paths/servers-and-cloud-computing/vLLM/_review.md

@@ -5,9 +5,9 @@ review:
         question: >
             What is the primary purpose of vLLM?
         answers:
-            - "Operating System Development"
-            - "Large Language Model Inference and Serving"
-            - "Database Management"
+            - "Operating System Development."
+            - "Large Language Model Inference and Serving."
+            - "Database Management."
         correct_answer: 2
         explanation: >
             vLLM is designed for fast and efficient Large Language Model inference and serving.
@@ -16,10 +16,10 @@ review:
         question: >
            In addition to Python, which extra programming languages are required by the vLLM build system?
         answers:
-            - "Java"
-            - "Rust"
-            - "C++"
-            - "Rust and C++"
+            - "Java."
+            - "Rust."
+            - "C++."
+            - "Rust and C++."
         correct_answer: 4
         explanation: >
             The vLLM build system requires the Rust toolchain and GCC for its compilation.
@@ -28,9 +28,9 @@ review:
          question: >
             What is the VLLM_TARGET_DEVICE environment variable set to for building vLLM for Arm CPUs?
          answers:
-             - "cuda"
-             - "gpu"
-             - "cpu"
+             - "cuda."
+             - "gpu."
+             - "cpu."
          correct_answer: 3
          explanation: >
             The VLLM_TARGET_DEVICE environment variable needs to be set to cpu to target the Arm processor.