[docs] Use correct syntax
diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index 9c838e5..9a461d4 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -116,7 +116,7 @@
* @length: Length of sub-blob.
*
* Returns a blob that represents a range of bytes in @parent. The new
- * blob is always created with %HB_MEMORY_MODE_READONLY, meaning that it
+ * blob is always created with #HB_MEMORY_MODE_READONLY, meaning that it
* will never modify data in the parent blob. The parent data is not
* expected to be modified, and will result in undefined behavior if it
* is.
diff --git a/src/hb-set.cc b/src/hb-set.cc
index e94b9fc..03cf61f 100644
--- a/src/hb-set.cc
+++ b/src/hb-set.cc
@@ -447,7 +447,7 @@
*
* Finds the smallest element in the set.
*
- * Return value: minimum of @set, or %HB_SET_VALUE_INVALID if @set is empty.
+ * Return value: minimum of @set, or #HB_SET_VALUE_INVALID if @set is empty.
*
* Since: 0.9.7
**/
@@ -463,7 +463,7 @@
*
* Finds the largest element in the set.
*
- * Return value: maximum of @set, or %HB_SET_VALUE_INVALID if @set is empty.
+ * Return value: maximum of @set, or #HB_SET_VALUE_INVALID if @set is empty.
*
* Since: 0.9.7
**/
@@ -481,7 +481,7 @@
*
* Fetches the next element in @set that is greater than current value of @codepoint.
*
- * Set @codepoint to %HB_SET_VALUE_INVALID to get started.
+ * Set @codepoint to #HB_SET_VALUE_INVALID to get started.
*
* Return value: %true if there was a next value, %false otherwise
*
@@ -502,7 +502,7 @@
*
* Fetches the previous element in @set that is lower than current value of @codepoint.
*
- * Set @codepoint to %HB_SET_VALUE_INVALID to get started.
+ * Set @codepoint to #HB_SET_VALUE_INVALID to get started.
*
* Return value: %true if there was a previous value, %false otherwise
*
@@ -525,7 +525,7 @@
* Fetches the next consecutive range of elements in @set that
* are greater than current value of @last.
*
- * Set @last to %HB_SET_VALUE_INVALID to get started.
+ * Set @last to #HB_SET_VALUE_INVALID to get started.
*
* Return value: %true if there was a next range, %false otherwise
*
@@ -549,7 +549,7 @@
* Fetches the previous consecutive range of elements in @set that
* are greater than current value of @last.
*
- * Set @first to %HB_SET_VALUE_INVALID to get started.
+ * Set @first to #HB_SET_VALUE_INVALID to get started.
*
* Return value: %true if there was a previous range, %false otherwise
*