pool: update comment
diff --git a/src/pool.h b/src/pool.h
index f9ac867..4f1e6f3 100644
--- a/src/pool.h
+++ b/src/pool.h
@@ -28,7 +28,7 @@
  * For examples of how to set up a `git_pool` see `git_pool_init`.
  */
 typedef struct {
-	git_pool_page *pages; /* pages with space left */
+	git_pool_page *pages; /* allocated pages */
 	uint32_t item_size;  /* size of single alloc unit in bytes */
 	uint32_t page_size;  /* size of page in bytes */
 } git_pool;