diff --git a/libfprint/fpi-sync.c b/libfprint/fpi-sync.c
index 8f71b6ea..682f913f 100644
--- a/libfprint/fpi-sync.c
+++ b/libfprint/fpi-sync.c
@@ -82,7 +82,7 @@ static void sync_close_cb(struct fp_dev *dev, void *user_data)
 
 /**
  * fp_dev_close:
- * @dev: the device to close. If %NULL, function simply returns.
+ * @dev: the struct #fp_dev device to close. If %NULL, function simply returns.
  *
  * Close a device. You must call this function when you are finished using
  * a fingerprint device.
@@ -128,7 +128,7 @@ static void enroll_stop_cb(struct fp_dev *dev, void *user_data)
 
 /**
  * fp_enroll_finger_img:
- * @dev: the device
+ * @dev: the struct #fp_dev device
  * @print_data: a location to return the resultant enrollment data from
  * the final stage. Must be freed with fp_print_data_free() after use.
  * @img: location to store the scan image. accepts %NULL for no image
@@ -290,7 +290,7 @@ err:
 
 /**
  * fp_enroll_finger:
- * @dev: the device
+ * @dev: the struct #fp_dev device
  * @print_data: a location to return the resultant enrollment data from
  * the final stage. Must be freed with fp_print_data_free() after use.
  *
@@ -331,7 +331,7 @@ static void verify_stop_cb(struct fp_dev *dev, void *user_data)
 
 /**
  * fp_verify_finger_img:
- * @dev: the device to perform the scan.
+ * @dev: the struct #fp_dev device to perform the scan on
  * @enrolled_print: the print to verify against. Must have been previously
  * enrolled with a device compatible to the device selected to perform the scan.
  * @img: location to store the scan image. accepts %NULL for no image
@@ -423,7 +423,7 @@ err:
 
 /**
  * fp_verify_finger:
- * @dev: the device to perform the scan.
+ * @dev: the struct #fp_dev device to perform the scan on
  * @enrolled_print: the print to verify against. Must have been previously
  * enrolled with a device compatible to the device selected to perform the scan.
  *
@@ -467,7 +467,7 @@ static void identify_stop_cb(struct fp_dev *dev, void *user_data)
 
 /**
  * fp_identify_finger_img:
- * @dev: the device to perform the scan.
+ * @dev: the struct #fp_dev device to perform the scan on
  * @print_gallery: NULL-terminated array of pointers to the prints to
  * identify against. Each one must have been previously enrolled with a device
  * compatible to the device selected to perform the scan.
@@ -565,7 +565,7 @@ err:
 
 /**
  * fp_identify_finger:
- * @dev: the device to perform the scan.
+ * @dev: the struct #fp_dev device to perform the scan on
  * @print_gallery: %NULL-terminated array of pointers to the prints to
  * identify against. Each one must have been previously enrolled with a device
  * compatible to the device selected to perform the scan.
@@ -611,7 +611,7 @@ static void capture_stop_cb(struct fp_dev *dev, void *user_data)
 }
 /**
  * fp_dev_img_capture:
- * @dev: the device
+ * @dev: the struct #fp_dev device
  * @unconditional: whether to unconditionally capture an image, or to only capture when a finger is detected
  * @img: a location to return the captured image. Must be freed with
  * fp_img_free() after use.