diff --git a/.hgtags b/.hgtags
index d0eb781..c6d3e68 100644
--- a/.hgtags
+++ b/.hgtags
@@ -13,4 +13,3 @@
 53fec18b83e2b93baafba4733b59bb86b8c1988e release.2010-02-17
 4a0661b86e50eae734dbe43ed1312c4a0304676b release.2010-02-23
 a215d03e7ee1013b2abe3f1e2c84457ec51c68e4 release.2010-03-04
-a215d03e7ee1013b2abe3f1e2c84457ec51c68e4 release
diff --git a/doc/devel/release.html b/doc/devel/release.html
index 4312374..c9fb0a3 100644
--- a/doc/devel/release.html
+++ b/doc/devel/release.html
@@ -5,6 +5,44 @@
 <p>This page summarizes the changes between tagged releases of Go.
 For full details, see the <a href="">Mercurial change log</a>.</p>
+<h3 id="2010-03-15">2010-03-15</h3>
+This release includes a language change: support for complex numbers.
+There is no library support as yet.
+This release also includes the goinstall command-line tool. 
+* 5g/6g/8g: fix double function call in slice.
+* arm: cleanup build warnings. (thanks Dean Prichard)
+* big: fix mistakes with probablyPrime.
+* bufio: add WriteRune.
+* bytes: add ReadRune and WriteRune to bytes.Buffer.
+* cc: stack split bug fix.
+* crypto: add SHA-224 to sha256, add sha512 package. (thanks Conrad Meyer)
+* crypto/ripemd160: new package. (thanks Raif S. Naffah)
+* crypto/rsa: don't use safe primes.
+* gc: avoid fixed length buffer cleanbuf. (thanks Dean Prichard)
+	better compilation of floating point +=
+	fix crash on complicated arg to make slice.
+	remove duplicate errors, give better error for I.(T)
+* godoc: support for multiple packages in a directory, other fixes.
+* gofmt: bug fixes.
+* hash: add Sum64 interface.
+* hash/crc32: add Update function.
+* hash/crc64: new package implementing 64-bit CRC.
+* math: add ilogb, logb, remainder. (thanks Charles L. Dorian) 
+* regexp: add ReplaceAllFunc, ReplaceAllStringFunc.
+* runtime: clock garbage collection on bytes allocated, not pages in use.
+* strings: make Split(s, "", n) faster. (thanks Spring Mc)
+* syscall: minimal mingw version of syscall. (thanks Alex Brainman)
+* template: add ParseFile, MustParseFile.
 <h3 id="2010-03-04">2010-03-04</h3>