Update README.md

README.md

@@ -74,7 +74,7 @@ docker cp <CONTAINER ID>:/path/in/container/ /path/in/local
 
    This file contains annotations associated with the different sequences
 
-   Each line should be formatted as: ```SeqID,Annotation_1|Annotation_2```. Here, ```SeqID``` is the unique sequence identifier. It's separated from the list of annotations by a comma (```,```), and individual annotations are separated by a pipe (```|```) (e.g., ```NP_620594.1,P00451_F8|P04275_VWF```)
+   Each line should be formatted as: ```SeqID,Annotation_1|Annotation_2```. Here, ```SeqID``` is the unique sequence identifier. It's separated from the list of annotations by a comma (```,```), and individual annotations are separated by a pipe (```|```) (e.g., ```NP_620594.1,P00451_F8|P04275_VWF```). Annotations must be more than one character in length.
 
    Refer to [this file](https://github.com/OcMalde/PhyloCharMod_publ/blob/main/data/min5_human_214_t10m1M20/leaf_Manual_214.csv) for an example