diff --git a/part11-gateway-recovery.md b/part11-gateway-recovery.md
index 83af1d9..8f9f1c1 100644
--- a/part11-gateway-recovery.md
+++ b/part11-gateway-recovery.md
@@ -187,7 +187,7 @@ if ! curl -s http://localhost:8642/health > /dev/null 2>&1; then
 fi
 
 # Disk space OK?
-USAGE=$(df -h ~/.hermes | awk 'NR==2 {print $5}' | tr -d '%')
+USAGE=$(df -Ph ~/.hermes | awk 'NR==2 {print $5}' | tr -d '%')
 if [ "$USAGE" -gt 90 ]; then
     echo "WARNING: Disk usage at ${USAGE}%"
     exit 1
diff --git a/part6-context-compression.md b/part6-context-compression.md
index 7639968..48ba380 100644
--- a/part6-context-compression.md
+++ b/part6-context-compression.md
@@ -47,7 +47,7 @@ try:
     compressed_context = summary
 except Exception as e:
     logger.warning(f"Context compression failed: {e}, preserving original context")
-    return original_context  # Don't compress, don't lose data
+    compressed_context = messages_to_compress  # Don't compress, don't lose data
 ```
 
 **The rule:** If compression can't succeed, keep the uncompressed context. A slower response is better than a wrong one.