diff --git a/quantecon/_inequality.py b/quantecon/_inequality.py
index 40b9024e4..886b611d8 100644
--- a/quantecon/_inequality.py
+++ b/quantecon/_inequality.py
@@ -108,7 +108,8 @@ def shorrocks_index(A):
     ----------
     .. [1] Wealth distribution and social mobility in the US:
        A quantitative approach (Benhabib, Bisin, Luo, 2017).
-       https://www.econ.nyu.edu/user/bisina/RevisionAugust.pdf
+       https://www.aeaweb.org/articles?id=10.1257/aer.20151684
+
     """
 
     A = np.asarray(A)  # Convert to array if not already
@@ -144,6 +145,7 @@ def rank_size(data, c=1.0):
         Location in the population when sorted from smallest to largest
     size_data : array_like(float, ndim=1)
         Size data for top (c x 100)% of the observations
+        
     """
     w = - np.sort(- data)                  # Reverse sort
     w = w[:int(len(w) * c)]                # extract top (c * 100)%
diff --git a/quantecon/_kalman.py b/quantecon/_kalman.py
index c6a94c4b9..ba4021ce1 100644
--- a/quantecon/_kalman.py
+++ b/quantecon/_kalman.py
@@ -4,7 +4,7 @@
 References
 ----------
 
-https://lectures.quantecon.org/py/kalman.html
+https://python.quantecon.org/kalman.html
 
 """
 from textwrap import dedent
@@ -53,11 +53,10 @@ class Kalman:
     K_infinity : array_like or scalar(float)
         The stationary Kalman gain.
 
-
     References
     ----------
 
-    https://lectures.quantecon.org/py/kalman.html
+    https://python.quantecon.org/kalman.html
 
     """
 
@@ -154,6 +153,7 @@ def whitener_lss(self):
         whitened_lss : LinearStateSpace
             This is the linear state space system that represents
             the whitened system
+
         """
         K = self.K_infinity
 
@@ -289,6 +289,7 @@ def stationary_coefficients(self, j, coeff_type='ma'):
         coeff_type : string, either 'ma' or 'var' (default='ma')
             The type of coefficent sequence to compute.  Either 'ma' for
             moving average or 'var' for VAR.
+            
         """
         # == simplify notation == #
         A, G = self.ss.A, self.ss.G
diff --git a/quantecon/_lae.py b/quantecon/_lae.py
index 83b59c87c..a324559b8 100644
--- a/quantecon/_lae.py
+++ b/quantecon/_lae.py
@@ -12,7 +12,7 @@
 References
 ----------
 
-https://lectures.quantecon.org/py/stationary_densities.html
+https://python.quantecon.org/ar1_processes.html
 
 """
 from textwrap import dedent
@@ -56,6 +56,7 @@ def __str__(self):
         m = """\
         Look ahead estimator
           - number of observations : {n}
+          
         """
         return dedent(m.format(n=self.X.size))
 
diff --git a/quantecon/bld.bat b/quantecon/bld.bat
index 87b1481d7..9e02a9570 100644
--- a/quantecon/bld.bat
+++ b/quantecon/bld.bat
@@ -3,6 +3,6 @@ if errorlevel 1 exit 1
 
 :: Add more build steps here, if they are necessary.
 
-:: See
-:: http://docs.continuum.io/conda/build.html
-:: for a list of environment variables that are set during the build process.
+:: See 
+:: https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html
+:: for a list of environment variables that are set during the build process. 
\ No newline at end of file
diff --git a/quantecon/build.sh b/quantecon/build.sh
index 4d7fc032b..c57e6fb7e 100644
--- a/quantecon/build.sh
+++ b/quantecon/build.sh
@@ -3,7 +3,3 @@
 $PYTHON setup.py install
 
 # Add more build steps here, if they are necessary.
-
-# See
-# http://docs.continuum.io/conda/build.html
-# for a list of environment variables that are set during the build process.
diff --git a/quantecon/meta.yaml b/quantecon/meta.yaml
index d19352409..28aa7a015 100644
--- a/quantecon/meta.yaml
+++ b/quantecon/meta.yaml
@@ -59,8 +59,8 @@ test:
 about:
   home: https://github.com/jstac/quant-econ
   license: BSD
-  summary: 'Code for quant-econ.net'
-
+  summary: 'Code for quantecon.org'
+  
 # See
-# http://docs.continuum.io/conda/build.html for
-# more information about meta.yaml
+# https://docs.conda.io/projects/conda-build/en/latest/resources/define-metadata.html for 
+# more information about meta.yaml 
\ No newline at end of file