diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4121ec78..2c1fd5d4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,7 +7,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## [Unreleased]
+## [1.2.0-rc3] - 2024-11-24
 
 Release candidate for the next feature release, expected around 1 February 2025.
 
@@ -90,6 +90,8 @@ Release candidate for the next feature release, expected around 1 February 2025.
  - SuperNOVAS headers now include each other as system-headers, not local headers. This is unlikely to affect anything
    really but it is more proper for an installation of the library, and works with our own `Makefile` too.
    
+ - Added 'Coordinate Systems and Conversions' flowchart to `README`.
+   
    
 ### Changed
 
diff --git a/README.md b/README.md
index a91abb2b..cf7f0aea 100644
--- a/README.md
+++ b/README.md
@@ -379,7 +379,7 @@ Earth (at the geocenter, on the surface, or in Earth orbit).
 
 | ![SuperNOVAS coordinate systems and conversions](https://github.com/Smithsonian/SuperNOVAS/blob/main/resources/SuperNOVAS-systems.png) |
 |:--:| 
-| __Figure 1.__ *SuperNOVAS Coordinate Systems and Conversions*. Bold face routines and shaded boxes indicate systems and functions available in NOVAS C also. All other systems and functions are available in SuperNOVAS only.              |
+| __Figure 1.__ *SuperNOVAS Coordinate Systems and Conversions*. Functions indicated in bold face are available in NOVAS C also. All other functions are available in SuperNOVAS only.              |
 
 SuperNOVAS __v1.1__ has introduced a new, more intuitive, more elegant, and more efficient approach for calculating
 astrometric positions of celestial objects. The guide below is geared towards this new method. However, the original
@@ -401,7 +401,6 @@ for which we have B1950 (i.e. FK4) coordinates:
 ```c
  cat_entry star; // Structure to contain information on sidereal source 
 
-
  // Let's assume we have B1950 (FK4) coordinates...
  // 16h26m20.1918s, -26d19m23.138s (B1950), proper motion -12.11, -23.30 mas/year, 
  // parallax 5.89 mas, radial velocity -3.4 km/s.
diff --git a/include/novas.h b/include/novas.h
index 6fcb0d19..24470fce 100644
--- a/include/novas.h
+++ b/include/novas.h
@@ -68,7 +68,7 @@
 #define SUPERNOVAS_PATCHLEVEL     0
 
 /// Additional release information in version, e.g. "-1", or "-rc1".
-#define SUPERNOVAS_RELEASE_STRING "-devel"
+#define SUPERNOVAS_RELEASE_STRING "-rc3"
 
 /// \cond PRIVATE
 
diff --git a/resources/SuperNOVAS-systems.dia b/resources/SuperNOVAS-systems.dia
index 26b9a7ca..e39fd840 100644
Binary files a/resources/SuperNOVAS-systems.dia and b/resources/SuperNOVAS-systems.dia differ
diff --git a/resources/SuperNOVAS-systems.png b/resources/SuperNOVAS-systems.png
index 205d561a..39bea6bb 100644
Binary files a/resources/SuperNOVAS-systems.png and b/resources/SuperNOVAS-systems.png differ
diff --git a/src/novas.c b/src/novas.c
index ab783672..03ef69df 100644
--- a/src/novas.c
+++ b/src/novas.c
@@ -5282,7 +5282,7 @@ short cio_location(double jd_tdb, enum novas_accuracy accuracy, double *ra_cio,
     *loc_type = -1;
 
   if(!ra_cio || !loc_type)
-    return novas_error(-1, EINVAL, fn, "NULL output poointer: ra_cio=%p, loc_type=%p", ra_cio, loc_type);
+    return novas_error(-1, EINVAL, fn, "NULL output pointer: ra_cio=%p, loc_type=%p", ra_cio, loc_type);
 
   if(accuracy != NOVAS_FULL_ACCURACY && accuracy != NOVAS_REDUCED_ACCURACY)
     return novas_error(-1, EINVAL, fn, "invalid accuracy: %d", accuracy);