describe --contains: default to HEAD when no commit-ish is given

diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt
index 2c59cb2259d941232652241dc1cadcfc0c3ef812..1d00e4d5968d2de25792e07d79d9d651da6b72f0 100644 (file)
--- a/Documentation/technical/api-strbuf.txt
+++ b/Documentation/technical/api-strbuf.txt
@@ -7,10 +7,10 @@ use the mem* functions than a str* one (memchr vs. strchr e.g.).
 Though, one has to be careful about the fact that str* functions often
 stop on NULs and that strbufs may have embedded NULs.
 
-An strbuf is NUL terminated for convenience, but no function in the
+A strbuf is NUL terminated for convenience, but no function in the
 strbuf API actually relies on the string being free of NULs.
 
-strbufs has some invariants that are very important to keep in mind:
+strbufs have some invariants that are very important to keep in mind:
 
 . The `buf` member is never NULL, so it can be used in any usual C
 string operations safely. strbuf's _have_ to be initialized either by
@@ -56,8 +56,8 @@ Data structures
 * `struct strbuf`
 
 This is the string buffer structure. The `len` member can be used to
-determine the current length of the string, and `buf` member provides access to
-the string itself.
+determine the current length of the string, and `buf` member provides
+access to the string itself.
 
 Functions
 ---------
@@ -184,7 +184,7 @@ strbuf_addstr(sb, "immediate string");
 
 `strbuf_addbuf`::
 
-       Copy the contents of an other buffer at the end of the current one.
+       Copy the contents of another buffer at the end of the current one.
 
 `strbuf_adddup`::
 
@@ -230,6 +230,11 @@ which can be used by the programmer of the callback as she sees fit.
        destination. This is useful for literal data to be fed to either
        strbuf_expand or to the *printf family of functions.
 
+`strbuf_humanise_bytes`::
+
+       Append the given byte size as a human-readable string (i.e. 12.23 KiB,
+       3.50 MiB).
+
 `strbuf_addf`::
 
        Add a formatted string to the buffer.