fix comment
diff --git a/src/core/ngx_radix_tree.c b/src/core/ngx_radix_tree.c
index 050dac0..f339e6f 100644
--- a/src/core/ngx_radix_tree.c
+++ b/src/core/ngx_radix_tree.c
@@ -42,13 +42,13 @@
}
/*
- * The preallocation the first nodes: 0, 1, 00, 01, 10, 11, 000, 001, etc.
- * increases the TLB hits even if for the first lookup iterations.
- * On the 32-bit platforms the 7 preallocated bits takes continuous 4K,
- * 8 - 8K, 9 - 16K, etc. On the 64-bit platforms the 6 preallocated bits
+ * Preallocation of first nodes : 0, 1, 00, 01, 10, 11, 000, 001, etc.
+ * increases TLB hits even if for first lookup iterations.
+ * On 32-bit platforms the 7 preallocated bits takes continuous 4K,
+ * 8 - 8K, 9 - 16K, etc. On 64-bit platforms the 6 preallocated bits
* takes continuous 4K, 7 - 8K, 8 - 16K, etc. There is no sense to
* to preallocate more than one page, because further preallocation
- * distributes the only bit per page. Instead, the random insertion
+ * distributes the only bit per page. Instead, a random insertion
* may distribute several bits per page.
*
* Thus, by default we preallocate maximum
