thodg/libgit2

diff --git a/include/git2/checkout.h b/include/git2/checkout.h
index 12fffeb..b25298f 100644
--- a/include/git2/checkout.h
+++ b/include/git2/checkout.h
@@ -83,7 +83,7 @@ GIT_BEGIN_DECL
  *   in target, baseline, or index, and not ignored) from the working dir.
  *
  * - GIT_CHECKOUT_REMOVE_IGNORED means remove ignored files (that are also
- *   unrtacked) from the working directory as well.
+ *   untracked) from the working directory as well.
  *
  * - GIT_CHECKOUT_UPDATE_ONLY means to only update the content of files that
  *   already exist.  Files will not be created nor deleted.  This just skips
@@ -97,13 +97,13 @@ GIT_BEGIN_DECL
  *
  * - Unmerged index entries are conflicts.  GIT_CHECKOUT_SKIP_UNMERGED skips
  *   files with unmerged index entries instead.  GIT_CHECKOUT_USE_OURS and
- *   GIT_CHECKOUT_USE_THEIRS to proceeed with the checkout using either the
+ *   GIT_CHECKOUT_USE_THEIRS to proceed with the checkout using either the
  *   stage 2 ("ours") or stage 3 ("theirs") version of files in the index.
  */
 typedef enum {
 	GIT_CHECKOUT_NONE = 0, /** default is a dry run, no actual updates */
 
-	/** Allow safe updates that cannot overwrite uncommited data */
+	/** Allow safe updates that cannot overwrite uncommitted data */
 	GIT_CHECKOUT_SAFE = (1u << 0),
 
 	/** Allow safe updates plus creation of missing files */
diff --git a/include/git2/config.h b/include/git2/config.h
index b186e70..77fd847 100644
--- a/include/git2/config.h
+++ b/include/git2/config.h
@@ -297,7 +297,7 @@ GIT_EXTERN(int) git_config_get_int32(int32_t *out, const git_config *cfg, const 
  *
  * All config files will be looked into, in the order of their
  * defined level. A higher level means a higher priority. The
- * first occurence of the variable will be returned here.
+ * first occurrence of the variable will be returned here.
  *
  * @param out pointer to the variable where the value should be stored
  * @param cfg where to look for the variable
@@ -314,7 +314,7 @@ GIT_EXTERN(int) git_config_get_int64(int64_t *out, const git_config *cfg, const 
  *
  * All config files will be looked into, in the order of their
  * defined level. A higher level means a higher priority. The
- * first occurence of the variable will be returned here.
+ * first occurrence of the variable will be returned here.
  *
  * @param out pointer to the variable where the value should be stored
  * @param cfg where to look for the variable
@@ -331,7 +331,7 @@ GIT_EXTERN(int) git_config_get_bool(int *out, const git_config *cfg, const char 
  *
  * All config files will be looked into, in the order of their
  * defined level. A higher level means a higher priority. The
- * first occurence of the variable will be returned here.
+ * first occurrence of the variable will be returned here.
  *
  * @param out pointer to the variable's value
  * @param cfg where to look for the variable
diff --git a/include/git2/diff.h b/include/git2/diff.h
index b26dd42..760de6f 100644
--- a/include/git2/diff.h
+++ b/include/git2/diff.h
@@ -241,8 +241,8 @@ typedef struct {
  * callback functions and you can use the contents to understand exactly
  * what has changed.
  *
- * The `old_file` repesents the "from" side of the diff and the `new_file`
- * repesents to "to" side of the diff.  What those means depend on the
+ * The `old_file` represents the "from" side of the diff and the `new_file`
+ * represents to "to" side of the diff.  What those means depend on the
  * function that was used to generate the diff and will be documented below.
  * You can also use the `GIT_DIFF_REVERSE` flag to flip it around.
  *
diff --git a/include/git2/ignore.h b/include/git2/ignore.h
index 592c96e..48993da 100644
--- a/include/git2/ignore.h
+++ b/include/git2/ignore.h
@@ -57,7 +57,7 @@ GIT_EXTERN(int) git_ignore_clear_internal_rules(
  *
  * This function checks the ignore rules to see if they would apply to the
  * given file.  This indicates if the file would be ignored regardless of
- * whether the file is already in the index or commited to the repository.
+ * whether the file is already in the index or committed to the repository.
  *
  * One way to think of this is if you were to do "git add ." on the
  * directory containing the file, would it be added or not?
diff --git a/include/git2/refspec.h b/include/git2/refspec.h
index 1100e90..21fea20 100644
--- a/include/git2/refspec.h
+++ b/include/git2/refspec.h
@@ -56,7 +56,7 @@ GIT_EXTERN(int) git_refspec_src_matches(const git_refspec *refspec, const char *
  * Transform a reference to its target following the refspec's rules
  *
  * @param out where to store the target name
- * @param outlen the size ouf the `out` buffer
+ * @param outlen the size of the `out` buffer
  * @param spec the refspec
  * @param name the name of the reference to transform
  * @return 0, GIT_EBUFS or another error
diff --git a/include/git2/repository.h b/include/git2/repository.h
index 1371d54..abd7de8 100644
--- a/include/git2/repository.h
+++ b/include/git2/repository.h
@@ -609,7 +609,7 @@ GIT_EXTERN(int) git_repository_set_head_detached(
  * updated into making it point to the peeled Commit, and 0 is returned.
  *
  * If the HEAD is already detached and points to a non commitish, the HEAD is 
- * unaletered, and -1 is returned.
+ * unaltered, and -1 is returned.
  *
  * Otherwise, the HEAD will be detached and point to the peeled Commit.
  *
diff --git a/include/git2/status.h b/include/git2/status.h
index a898d1f..349d7aa 100644
--- a/include/git2/status.h
+++ b/include/git2/status.h
@@ -210,7 +210,7 @@ GIT_EXTERN(int) git_status_file(
  *
  * This function checks the ignore rules to see if they would apply to the
  * given file.  This indicates if the file would be ignored regardless of
- * whether the file is already in the index or commited to the repository.
+ * whether the file is already in the index or committed to the repository.
  *
  * One way to think of this is if you were to do "git add ." on the
  * directory containing the file, would it be added or not?