diff --git a/README.dev.md b/README.dev.md
index 4bdbd398..6b196202 100644
--- a/README.dev.md
+++ b/README.dev.md
@@ -156,7 +156,7 @@ pre-commit install
 ## Construction of author keys
 
 There are various source keys in CFF that can be used to convert to a target format. The code uses a pattern of first
-identifiying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
+identifying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
 is tailored only to that specific combination of source keys. As an example of this mapping, see the setup in
 https://github.com/citation-file-format/cffconvert/blob/3.0.0a0/cffconvert/behavior_shared/schemaorg_author_shared.py
 
@@ -306,7 +306,7 @@ The table below lists how the key name is constructed based what information was
 ## Construction of identifier keys
 
 There are various source keys in CFF that can be used to convert to a target format. The code uses a pattern of first
-identifiying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
+identifying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
 is tailored only to that specific combination of source keys. 
 
 Source keys: 
@@ -326,7 +326,7 @@ The table below lists how the key name is constructed based what information was
 ## Construction of URL keys
 
 There are various source keys in CFF that can be used to convert to a target format. The code uses a pattern of first
-identifiying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
+identifying what information is present, then summarizing this as a key, then using that key to retrieve a method which 
 is tailored only to that specific combination of source keys. 
 
 Source keys:
diff --git a/src/cffconvert/lib/cff_1_3_x/zenodo.py b/src/cffconvert/lib/cff_1_3_x/zenodo.py
index 808ba1de..2b9e17a4 100644
--- a/src/cffconvert/lib/cff_1_3_x/zenodo.py
+++ b/src/cffconvert/lib/cff_1_3_x/zenodo.py
@@ -12,7 +12,7 @@ def add_contributors(self):
         contributors = []
         for c in self.cffobj.get("contributors", []):
             # contributors are generated in the same way as authors, hence just
-            # call ZenodoAuthor's contructor with the cff contributor object
+            # call ZenodoAuthor's constructor with the cff contributor object
             contributor = ZenodoAuthor(c).as_dict()
             contributor.update({"type": "Other"})
             contributors.append(contributor)