Update CHANGES.rst and README.md for 0.18.2 release

CHANGES.rst

@@ -1,4 +1,4 @@
-0.18.2 (unreleased)
+0.18.2 (2021-01-19)
 ===================
 
 associations
@@ -11,8 +11,9 @@ associations
 cube_build
 ----------
 
-- Do not allow varibles defined in spec (part of the cube_build_step class) to be changed, to allow
-  calspec2 to loop over a list of files and run the pipeline. [#5603]
+- Do not allow varibles defined in spec (part of the cube_build_step class) to
+  be changed, to allow calspec2 to loop over a list of files and run the
+  pipeline. [#5603]
 
 datamodels
 ----------
@@ -23,12 +24,13 @@ datamodels
 flat_field
 ----------
 
-- Added DO_NOT_USE to pixels flagged as NON_SCIENCE for non-nirspec data [#5601]
+- Added DO_NOT_USE to pixels flagged as NON_SCIENCE for non-NIRSpec data [#5601]
 
 outlier_detection
 -----------------
 
-- Account for the background subtracted data in the blot image for determining the noise image used in flagging outliers [#5601] 
+- Account for the background subtracted data in the blot image for determining
+  the noise image used in flagging outliers [#5601]
 
 set_telescope_pointing
 ----------------------
@@ -48,7 +50,8 @@ combine1d
 cube_build
 ----------
 
-- Tweaked pixel wavelength preselection range to avoid truncation at the ends of the cubes. [#5598]
+- Tweaked pixel wavelength preselection range to avoid truncation at the ends
+  of the cubes. [#5598]
 
 datamodels
 ----------

README.md

@@ -52,7 +52,7 @@ You can also install a specific version (from `jwst 0.17.0` onward):
 
     conda create -n <env_name> python
     conda activate <env_name>
-    pip install jwst==0.18.1
+    pip install jwst==0.18.2
 
 Installing specific versions before `jwst 0.17.0` need to be installed from Github:
 
@@ -192,6 +192,7 @@ contact the [JWST Help Desk](https://jwsthelp.stsci.edu).
 
 | jwst tag | DMS build | CRDS_CONTEXT |   Date     |          Notes                                |
 | -------- | --------- | ------------ | ---------- | ----------------------------------------------|
+|  0.18.2  | B7.7rc3   | 0668         | 01/19/2021 | Third release candidate for B7.7              |
 |  0.18.1  | B7.7rc2   | 0664         | 01/08/2021 | Second release candidate for B7.7             |
 |  0.18.0  | B7.7rc1   | 0645         | 12/21/2020 | First release candidate for B7.7              |
 |  0.17.1  | B7.6      | 0641         | 09/15/2020 | Final release candidate for B7.6              |