diff --git a/Installation Guide.md b/Installation Guide.md
index 61ef19a6f1d1ed9b2bb5268edf461b37948c3d19..15836f22d257d210862644457912d495a4fef5bf 100644
--- a/Installation Guide.md	
+++ b/Installation Guide.md	
@@ -29,7 +29,14 @@ installation using Miniconda
 ```
 > conda install numpy scipy
 > conda install -c bioconda hmmer biopython mafft
-> pip intall pysapc
 ```
 
-(pysapc also installs pandas, cython, pytz, six and python-dateutil)
+* The Affinity Propagation algorithm used currently is [pySAPC](https://pypi.python.org/pypi/pysapc/1.1.0). Install cython first:
+
+```
+> conda install cython
+```
+
+then, if you are using a Mac: `conda install -c https://conda.anaconda.org/bioinfocao pysapc`, otherwise: `pip install pysapc`
+
+(pysapc also installs pandas, pytz, six and python-dateutil)
diff --git a/bigscape.py b/bigscape.py
index f173acd6702f3393f1881f556958fd62b4e47186..99c86c4ebf4f2aa4869c1580eff866a9a0b72908 100644
--- a/bigscape.py
+++ b/bigscape.py
@@ -1008,7 +1008,7 @@ def CMD_parser():
     parser.add_argument("--pfam_dir", dest="pfam_dir",
                       default=os.path.dirname(os.path.realpath(__file__)), 
                       help="Location of hmmpress-processed Pfam files. Default is same location of BiG-SCAPE")
-    parser.add_argument("--anchorfile", dest="anchorfile", default="anchor_domains.txt",
+    parser.add_argument("--anchorfile", dest="anchorfile", default=os.path.join(os.path.dirname(os.path.realpath(__file__)),"anchor_domains.txt"),
                       help="Provide a custom location for the anchor domains file, default is anchor_domains.txt.")
     parser.add_argument("--exclude_gbk_str", dest="exclude_gbk_str", default="",
                       help="If this string occurs in the gbk filename, this file will not be used for the analysis.")