1 files changed, 12 insertions, 12 deletions
diff --git a/docs/source/development/reference/functions.rst b/docs/source/development/reference/functions.rst
index 07c53630..3d141ae2 100644
--- a/docs/source/development/reference/functions.rst
+++ b/docs/source/development/reference/functions.rst
@@ -15,7 +15,7 @@ Threading contexts
 
 .. c:function:: void proj_context_destroy(PJ_CONTEXT *ctx)
 
-    Deallacote a threading-context.
+    Deallocate a threading-context.
 
     :param PJ_CONTEXT* ctx: Threading context.
 
@@ -182,15 +182,15 @@ Coordinate transformation
     :param double* y: Array of y-coordinates
     :param double* z: Array of z-coordinates
     :param double* t: Array of t-coordinates
-    :param size_t sx: Step lenght, in bytes, between consecutive elements of the corresponding array
+    :param size_t sx: Step length, in bytes, between consecutive elements of the corresponding array
     :param size_t nx: Number of elements in the corresponding array
-    :param size_t sy: Step lenght, in bytes, between consecutive elements of the corresponding array
+    :param size_t sy: Step length, in bytes, between consecutive elements of the corresponding array
     :param size_t nv: Number of elements in the corresponding array
-    :param size_t sz: Step lenght, in bytes, between consecutive elements of the corresponding array
+    :param size_t sz: Step length, in bytes, between consecutive elements of the corresponding array
     :param size_t nz: Number of elements in the corresponding array
-    :param size_t st: Step lenght, in bytes, between consecutive elements of the corresponding array
+    :param size_t st: Step length, in bytes, between consecutive elements of the corresponding array
     :param size_t nt: Number of elements in the corresponding array
-    :returns: Number of transformations succesfully completed
+    :returns: Number of transformations successfully completed
 
 
 
@@ -201,7 +201,7 @@ Coordinate transformation
     :param PJ* P:
     :param `direction`: Transformation direction
     :type `direction`: PJ_DIRECTION
-    :param size_t n: Number of cordinates in :c:data:`coord`
+    :param size_t n: Number of coordinates in :c:data:`coord`
     :returns: :c:type:`size_t` 0 if all observations are transformed without error, otherwise returns error number
 
 
@@ -427,7 +427,7 @@ Various
     :returns: :c:type:`PJ_COORD`
 
 
-.. c:function:: double proj_roundtrip(PJ *P, PJ_DIRECTION direction, int n, PJ_COORD *coo)
+.. c:function:: double proj_roundtrip(PJ *P, PJ_DIRECTION direction, int n, PJ_COORD *coord)
 
     Measure internal consistency of a given transformation. The function
     performs :c:data:`n` round trip transformations starting in either
@@ -440,7 +440,7 @@ Various
     :param `direction`: Starting direction of transformation
     :type `direction`: PJ_DIRECTION
     :param int n: Number of roundtrip transformations
-    :param PJ_OBS obs: Input coordinate
+    :param PJ_COORD coord: Input coordinate
     :returns: :c:type:`double` Distance between original coordinate and the \
               resulting coordinate after :c:data:`n` transformation iterations.
 
@@ -495,7 +495,7 @@ Various
     :returns: :c:type:`char*` Pointer to output buffer (same as :c:data:`s`)
 
 
-.. c:function:: PJ_COORD proj_geocentric_latitude(const PJ *P, PJ_DIRECTION direction, PJ_COORD coo)
+.. c:function:: PJ_COORD proj_geocentric_latitude(const PJ *P, PJ_DIRECTION direction, PJ_COORD coord)
 
     Convert from geographical latitude to geocentric latitude.
 
@@ -503,8 +503,8 @@ Various
     :type `P`: const PJ*
     :param `direction`: Starting direction of transformation
     :type `direction`: PJ_DIRECTION
-    :param `coo`: Coordinate
-    :type `coo`: PJ_COORD
+    :param `coord`: Coordinate
+    :type `coord`: PJ_COORD
     :returns: :c:type:`PJ_COORD` Converted coordinate