thodg/libgit2

diff --git a/include/git2/commit.h b/include/git2/commit.h
index cf14cd9..356b875 100644
--- a/include/git2/commit.h
+++ b/include/git2/commit.h
@@ -195,7 +195,6 @@ GIT_EXTERN(const git_oid *) git_commit_parent_oid(git_commit *commit, unsigned i
 /**
  * Create a new commit in the repository
  *
- *
  * @param oid Pointer where to store the OID of the
  *	newly created commit
  *
@@ -221,7 +220,7 @@ GIT_EXTERN(const git_oid *) git_commit_parent_oid(git_commit *commit, unsigned i
  *
  * @param parent_count Number of parents for this commit
  *
- * @param parents Array of pointers to parent OIDs for this commit.
+ * @param parent_oids[] Array of pointers to parent OIDs for this commit.
  *	Note that no validation is performed on these OIDs. Use the _o
  *	variants of this method to assure that are parents for the commit
  *	are proper objects.
diff --git a/include/git2/config.h b/include/git2/config.h
index 4167bf8..502b0ae 100644
--- a/include/git2/config.h
+++ b/include/git2/config.h
@@ -163,7 +163,7 @@ GIT_EXTERN(int) git_config_get_string(git_config *cfg, const char *name, const c
  *
  * @param cfg where to look for the variable
  * @param name the variable's name
- * @param out pointer to the variable where the value should be stored
+ * @param value Integer value for the variable
  * @return GIT_SUCCESS on success; error code otherwise
  */
 GIT_EXTERN(int) git_config_set_int(git_config *cfg, const char *name, int value);
@@ -173,7 +173,7 @@ GIT_EXTERN(int) git_config_set_int(git_config *cfg, const char *name, int value)
  *
  * @param cfg where to look for the variable
  * @param name the variable's name
- * @param out pointer to the variable where the value should be stored
+ * @param value Long integer value for the variable
  * @return GIT_SUCCESS on success; error code otherwise
  */
 GIT_EXTERN(int) git_config_set_long(git_config *cfg, const char *name, long int value);
diff --git a/include/git2/object.h b/include/git2/object.h
index 83d37a2..07ba1a1 100644
--- a/include/git2/object.h
+++ b/include/git2/object.h
@@ -82,12 +82,12 @@ GIT_EXTERN(int) git_object_lookup(
  * The special value 'GIT_OBJ_ANY' may be passed to let
  * the method guess the object's type.
  *
- * @param object pointer to the looked-up object
+ * @param object_out pointer where to store the looked-up object
  * @param repo the repository to look up the object
  * @param id a short identifier for the object
  * @param len the length of the short identifier
  * @param type the type of the object
- * @return a reference to the object
+ * @return 0 on success; error code otherwise
  */
 GIT_EXTERN(int) git_object_lookup_prefix(
 		git_object **object_out,
diff --git a/include/git2/odb.h b/include/git2/odb.h
index 4296146..06b9aa5 100644
--- a/include/git2/odb.h
+++ b/include/git2/odb.h
@@ -74,10 +74,14 @@ GIT_EXTERN(int) git_odb_open(git_odb **out, const char *objects_dir);
 /**
  * Add a custom backend to an existing Object DB
  *
+ * The backends are checked in relative ordering, based on the
+ * value of the `priority` parameter.
+ *
  * Read <odb_backends.h> for more information.
  *
  * @param odb database to add the backend to
- * @paramm backend pointer to a git_odb_backend instance
+ * @param backend pointer to a git_odb_backend instance
+ * @param priority Value for ordering the backends queue
  * @return 0 on sucess; error code otherwise
  */
 GIT_EXTERN(int) git_odb_add_backend(git_odb *odb, git_odb_backend *backend, int priority);
@@ -87,14 +91,18 @@ GIT_EXTERN(int) git_odb_add_backend(git_odb *odb, git_odb_backend *backend, int 
  * backend will work as an alternate.
  *
  * Alternate backends are always checked for objects *after*
- * all the main backends have been exhausted.
+ * all the main backends have been exhausted. 
+ *
+ * The backends are checked in relative ordering, based on the
+ * value of the `priority` parameter.
  *
  * Writing is disabled on alternate backends.
  *
  * Read <odb_backends.h> for more information.
  *
  * @param odb database to add the backend to
- * @paramm backend pointer to a git_odb_backend instance
+ * @param backend pointer to a git_odb_backend instance
+ * @param priority Value for ordering the backends queue
  * @return 0 on sucess; error code otherwise
  */
 GIT_EXTERN(int) git_odb_add_alternate(git_odb *odb, git_odb_backend *backend, int priority);
@@ -143,16 +151,13 @@ GIT_EXTERN(int) git_odb_read(git_odb_object **out, git_odb *db, const git_oid *i
  * internally cached, so it should be closed
  * by the user once it's no longer in use.
  *
- * @param out_oid the oid of the unique object matching
- * the short id
  * @param out pointer where to store the read object
  * @param db database to search for the object in.
  * @param short_id a prefix of the id of the object to read.
  * @param len the length of the prefix
- * @return
- * - GIT_SUCCESS if the object was read;
- * - GIT_ENOTFOUND if the object is not in the database.
- * - GIT_EAMBIGUOUS if the prefix is ambiguous (several objects match the prefix)
+ * @return GIT_SUCCESS if the object was read;
+ *	GIT_ENOTFOUND if the object is not in the database.
+ *	GIT_EAMBIGUOUS if the prefix is ambiguous (several objects match the prefix)
  */
 GIT_EXTERN(int) git_odb_read_prefix(git_odb_object **out, git_odb *db, const git_oid *short_id, unsigned int len);
 
diff --git a/include/git2/refs.h b/include/git2/refs.h
index 35c72ac..2c3aac7 100644
--- a/include/git2/refs.h
+++ b/include/git2/refs.h
@@ -213,7 +213,7 @@ GIT_EXTERN(int) git_reference_set_target(git_reference *ref, const char *target)
  * memory and on disk.
  *
  * @param ref The reference
- * @param target The new target OID for the reference
+ * @param id The new target OID for the reference
  * @return 0 on success; error code otherwise
  */
 GIT_EXTERN(int) git_reference_set_oid(git_reference *ref, const git_oid *id);
diff --git a/include/git2/revwalk.h b/include/git2/revwalk.h
index f3e0152..b37a16c 100644
--- a/include/git2/revwalk.h
+++ b/include/git2/revwalk.h
@@ -113,7 +113,7 @@ GIT_EXTERN(void) git_revwalk_reset(git_revwalk *walker);
  * must be pushed the repository before a walk can
  * be started.
  *
- * @param walker the walker being used for the traversal.
+ * @param walk the walker being used for the traversal.
  * @param oid the oid of the commit to start from.
  * @return 0 on success; error code otherwise
  */
@@ -129,8 +129,8 @@ GIT_EXTERN(int) git_revwalk_push(git_revwalk *walk, const git_oid *oid);
  * The resolved commit and all its parents will be hidden from the
  * output on the revision walk.
  *
- * @param walker the walker being used for the traversal.
- * @param commit the commit that will be ignored during the traversal
+ * @param walk the walker being used for the traversal.
+ * @param oid the oid of commit that will be ignored during the traversal
  * @return 0 on success; error code otherwise
  */
 GIT_EXTERN(int) git_revwalk_hide(git_revwalk *walk, const git_oid *oid);
diff --git a/include/git2/signature.h b/include/git2/signature.h
index 44d1f28..4b56017 100644
--- a/include/git2/signature.h
+++ b/include/git2/signature.h
@@ -42,7 +42,7 @@ GIT_BEGIN_DECL
  * manually or using git_signature_free
  *
  * @param name name of the person
- * @param mail email of the person
+ * @param email email of the person
  * @param time time when the action happened
  * @param offset timezone offset in minutes for the time
  * @return the new sig, NULL on out of memory
diff --git a/include/git2/tag.h b/include/git2/tag.h
index 49836a1..b92f79d 100644
--- a/include/git2/tag.h
+++ b/include/git2/tag.h
@@ -105,7 +105,7 @@ GIT_EXTERN(const git_oid *) git_tag_id(git_tag *tag);
  * @param tag a previously loaded tag.
  * @return 0 on success; error code otherwise
  */
-GIT_EXTERN(int) git_tag_target(git_object **target, git_tag *t);
+GIT_EXTERN(int) git_tag_target(git_object **target, git_tag *tag);
 
 /**
  * Get the OID of the tagged object of a tag
@@ -113,7 +113,7 @@ GIT_EXTERN(int) git_tag_target(git_object **target, git_tag *t);
  * @param tag a previously loaded tag.
  * @return pointer to the OID
  */
-GIT_EXTERN(const git_oid *) git_tag_target_oid(git_tag *t);
+GIT_EXTERN(const git_oid *) git_tag_target_oid(git_tag *tag);
 
 /**
  * Get the type of a tag's tagged object
@@ -121,7 +121,7 @@ GIT_EXTERN(const git_oid *) git_tag_target_oid(git_tag *t);
  * @param tag a previously loaded tag.
  * @return type of the tagged object
  */
-GIT_EXTERN(git_otype) git_tag_type(git_tag *t);
+GIT_EXTERN(git_otype) git_tag_type(git_tag *tag);
 
 /**
  * Get the name of a tag
@@ -129,7 +129,7 @@ GIT_EXTERN(git_otype) git_tag_type(git_tag *t);
  * @param tag a previously loaded tag.
  * @return name of the tag
  */
-GIT_EXTERN(const char *) git_tag_name(git_tag *t);
+GIT_EXTERN(const char *) git_tag_name(git_tag *tag);
 
 /**
  * Get the tagger (author) of a tag
@@ -137,7 +137,7 @@ GIT_EXTERN(const char *) git_tag_name(git_tag *t);
  * @param tag a previously loaded tag.
  * @return reference to the tag's author
  */
-GIT_EXTERN(const git_signature *) git_tag_tagger(git_tag *t);
+GIT_EXTERN(const git_signature *) git_tag_tagger(git_tag *tag);
 
 /**
  * Get the message of a tag
@@ -145,7 +145,7 @@ GIT_EXTERN(const git_signature *) git_tag_tagger(git_tag *t);
  * @param tag a previously loaded tag.
  * @return message of the tag
  */
-GIT_EXTERN(const char *) git_tag_message(git_tag *t);
+GIT_EXTERN(const char *) git_tag_message(git_tag *tag);
 
 
 /**
@@ -302,7 +302,7 @@ GIT_EXTERN(int) git_tag_delete(
  * should be free'd manually when no longer needed, using
  * `git_strarray_free`.
  *
- * @param array Pointer to a git_strarray structure where
+ * @param tag_names Pointer to a git_strarray structure where
  *		the tag names will be stored
  * @param repo Repository where to find the tags
  * @return 0 on success; error code otherwise