diff --git a/.travis.yml b/.travis.yml
index ca29323e5f..7e77dba508 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -33,7 +33,7 @@ install:
   conda config --add channels conda-forge &&
   conda update --yes conda &&
   conda update --all -y python=$TRAVIS_PYTHON_VERSION &&
-  conda install -y nipype &&
+  conda install -y nipype icu==56.1 &&
   rm -r /home/travis/miniconda/lib/python${TRAVIS_PYTHON_VERSION}/site-packages/nipype* &&
   pip install -r requirements.txt &&
   pip install -e .[$NIPYPE_EXTRAS]; }
diff --git a/doc/devel/interface_specs.rst b/doc/devel/interface_specs.rst
index 166598df64..2f7d63496e 100644
--- a/doc/devel/interface_specs.rst
+++ b/doc/devel/interface_specs.rst
@@ -353,7 +353,7 @@ CommandLine
 	be fixed it's recommended to just use ``usedefault``.
 
 ``sep``
-	For List traits the string with witch elements of the list will be joined.
+	For List traits the string with which elements of the list will be joined.
 
 ``name_source``
     Indicates the list of input fields from which the value of the current File